TZUMI Electronics,LLC 6979 POP SOLO KARAOKE MICROPHONE with Bluetooth 2AON7-6979 2AON76979 6979
Report No.: ATE20191068 Page 1 of 70 APPLICATION CERTIFICATION FCC Part 15C On Behalf of TZUMI Electronics, LLC POP SOLO KARAOKE MICROPHONE Model No.: 6979, 6947, 6948, 6980, 6954, 6955, KM1002, 4955, 4956 FCC ID: 2AON7-6979 Prepared for Address Prepared by Address : TZUMI Electronics, LLC : 16 EAST, 34TH STREET, 16TH FLOOR, NEW YORK, United States : Shenzhen Accurate Technology Co., Ltd. : 1/F., Building A, Changyuan New Material Port, Science & Industry Park, Nanshan District, Shenzhen, Guangdong, P.R. China Tel: (0755) 26503290 Fax: (0755) 26503396 Report No. Date of Test Date of Report : ATE20191068 : July 19-July 23, 2019 : July 25, 2019 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. TABLE OF CONTENTS Report No.: ATE20191068 Page 2 of 70 Description Page Test Report Certification TABLE OF CONTENTS........................................................................................................................... 2 1. GENERAL INFORMATION .......................................................................................................... 5 1.1. Description of Device (EUT)....................................................................................................................5 1.2. Accessory and Auxiliary Equipment ........................................................................................................5 1.3. Description of Test Facility ......................................................................................................................6 1.4. Measurement Uncertainty.........................................................................................................................6 2. MEASURING DEVICE AND TEST EQUIPMENT ..................................................................... 7 3. OPERATION OF EUT DURING TESTING ................................................................................. 8 3.1. Operating Mode ........................................................................................................................................8 3.2. Configuration and peripherals ..................................................................................................................8 4. FREQUENCY HOPPING SYSTEM REQUIREMENTS............................................................. 9 4.1. Standard and Limit ...................................................................................................................................9 4.2. EUT Pseudorandom Frequency Hopping Sequence.................................................................................9 4.3. Frequency Hopping System....................................................................................................................10 5. TEST PROCEDURES AND RESULTS ....................................................................................... 11 6. 20DB BANDWIDTH TEST............................................................................................................ 12 6.1. Block Diagram of Test Setup..................................................................................................................12 6.2. The Requirement For Section 15.247(a)(1) ............................................................................................12 6.3. EUT Configuration on Measurement .....................................................................................................12 6.4. Operating Condition of EUT ..................................................................................................................12 6.5. Test Procedure ........................................................................................................................................12 6.6. Test Result ..............................................................................................................................................13 7. CARRIER FREQUENCY SEPARATION TEST........................................................................ 17 7.1. Block Diagram of Test Setup..................................................................................................................17 7.2. The Requirement For Section 15.247(a)(1) ............................................................................................17 7.3. EUT Configuration on Measurement .....................................................................................................17 7.4. Operating Condition of EUT ..................................................................................................................17 7.5. Test Procedure ........................................................................................................................................18 7.6. Test Result ..............................................................................................................................................18 8. NUMBER OF HOPPING FREQUENCY TEST ......................................................................... 22 8.1. Block Diagram of Test Setup..................................................................................................................22 8.2. The Requirement For Section 15.247(a)(1)(iii) ......................................................................................22 8.3. EUT Configuration on Measurement .....................................................................................................22 8.4. Operating Condition of EUT ..................................................................................................................22 8.5. Test Procedure ........................................................................................................................................22 8.6. Test Result ..............................................................................................................................................23 9. DWELL TIME TEST ..................................................................................................................... 25 9.1. Block Diagram of Test Setup..................................................................................................................25 9.2. The Requirement For Section 15.247(a)(1)(iii) ......................................................................................25 9.3. EUT Configuration on Measurement .....................................................................................................25 9.4. Operating Condition of EUT ..................................................................................................................25 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 3 of 70 9.5. Test Procedure ........................................................................................................................................25 9.6. Test Result ..............................................................................................................................................26 10. MAXIMUM PEAK OUTPUT POWER TEST ............................................................................ 30 10.1. Block Diagram of Test Setup..................................................................................................................30 10.2. 10.3. 10.4. 10.5. The Requirement For Section 15.247(b)(1)............................................................................................30 EUT Configuration on Measurement .....................................................................................................30 Operating Condition of EUT ..................................................................................................................30 Test Procedure ........................................................................................................................................30 10.6. Test Result ..............................................................................................................................................31 11. RADIATED EMISSION TEST ..................................................................................................... 35 11.1. Block Diagram of Test Setup..................................................................................................................35 11.2. The Limit For Section 15.247(d) ............................................................................................................36 11.3. 11.4. 11.5. 11.6. Restricted bands of operation .................................................................................................................37 Configuration of EUT on Measurement .................................................................................................37 Operating Condition of EUT ..................................................................................................................38 Test Procedure ........................................................................................................................................38 11.7. Data Sample............................................................................................................................................39 11.8. Test Result ..............................................................................................................................................39 12. BAND EDGE COMPLIANCE TEST ........................................................................................... 52 12.1. Block Diagram of Test Setup..................................................................................................................52 12.2. 12.3. 12.4. 12.5. 12.6. The Requirement For Section 15.247(d) ................................................................................................52 EUT Configuration on Measurement .....................................................................................................52 Operating Condition of EUT ..................................................................................................................52 Test Procedure ........................................................................................................................................53 Test Result ..............................................................................................................................................53 13. AC POWER LINE CONDUCTED EMISSION TEST ............................................................... 63 13.1. Block Diagram of Test Setup..................................................................................................................63 13.2. Test Limits ..............................................................................................................................................64 13.3. Configuration of EUT on Measurement .................................................................................................64 13.4. 13.5. 13.6. 13.7. Operating Condition of EUT ..................................................................................................................64 Test Procedure ........................................................................................................................................64 Data Sample............................................................................................................................................65 Test Result ..............................................................................................................................................65 14. ANTENNA REQUIREMENT........................................................................................................ 70 14.1. The Requirement ....................................................................................................................................70 14.2. Antenna Construction .............................................................................................................................70 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Test Report Certification Report No.: ATE20191068 Page 4 of 70 Applicant Address : TZUMI Electronics, LLC : 16 EAST, 34TH STREET, 16TH FLOOR, NEW YORK, United States EUT Description : POP SOLO KARAOKE MICROPHONE Model No. : 6979, 6947, 6948, 6980, 6954, 6955, KM1002, 4955, 4956 Measurement Procedure Used: FCC Rules and Regulations Part 15 Subpart C Section 15.247 ANSI C63.10: 2013 The device described above is tested by Shenzhen Accurate Technology Co., Ltd. to determine the maximum emission levels emanating from the device. The maximum emission levels are compared to the FCC Part 15 Subpart C Section 15.247 limits. The measurement results are contained in this test report and Shenzhen Accurate Technology Co., Ltd. is assumed full responsibility for the accuracy and completeness of these measurements. Also, this report shows that the Equipment Under Test (EUT) is to be technically compliant with the FCC requirements. This report applies to above tested sample only. This report shall not be reproduced in part without written approval of Shenzhen Accurate Technology Co., Ltd. Date of Test : Date of Report : July 19-July 23, 2019 July 25, 2019 Test Engineer : (Ben Jin, Engineer) Prepared by : (Star Yang, Engineer) Approved & Authorized Signer : (Sean Liu, Manager) FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 5 of 70 1. GENERAL INFORMATION 1.1.Description of Device (EUT) Model Number : 6979, 6947, 6948, 6980, 6954, 6955, KM1002, 4955, 4956 (Note: We hereby state that these models are identical in interior structure, electrical circuits and components, It's just that the appearance shape is different, Therefore, only model 6979 is for tested.) Bluetooth version : V5.0 (BR+EDR) Frequency Range : 2402MHz-2480MHz Number of Channels : 79 Antenna Gain(Max) : -0.58dBi Antenna type : PCB antenna Modulation mode : GFSK, /4 DQPSK Hardware version : V1.0 Software version : V1.0 Trade Mark : TZUMI Power Supply : DC 3.7V (Powered by Lithium battery) or DC 5V (Powered by charging port) Applicant Address : TZUMI Electronics, LLC : 16 EAST, 34TH STREET, 16TH FLOOR, NEW YORK, United States Manufacturer Address : Shenzhen Kinlan Technology Company Limited : West of 3F, Building A4, Yinlong Industrial Park, No.292 Shenshan Road, Longgang District, Shenzhen, Guangdong, China 1.2.Accessory and Auxiliary Equipment AC/DC Power Adapter: (provided by laboratory) : Model:TEKA006-0501000UKU Input: 100-240V~50/60Hz 0.3A Output: DC 5V/1A FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 6 of 70 1.3.Description of Test Facility EMC Lab Name of Firm Site Location : Recognition of accreditation by Federal Communications Commission (FCC) The Designation Number is CN1189 The Registration Number is 708358 Listed by Innovation, Science and Economic Development Canada (ISEDC) The Registration Number is 5077A-2 Accredited by China National Accreditation Service for Conformity Assessment (CNAS) The Registration Number is CNAS L3193 Accredited by American Association for Laboratory Accreditation (A2LA) The Certificate Number is 4297.01 : Shenzhen Accurate Technology Co., Ltd. : 1/F., Building A, Changyuan New Material Port, Science & Industry Park, Nanshan District, Shenzhen, Guangdong, P.R. China 1.4.Measurement Uncertainty Radiated Emission Expanded Uncertainty (9kHz-30MHz) Radiated Emission Expanded Uncertainty (30MHz-1000MHz) Radiated Emission Expanded Uncertainty (1G-18GHz) Radiated Emission Expanded Uncertainty (18G-26.5GHz) Conduction Emission Expanded Uncertainty (Mains ports, 9kHz-30MHz) : U=2.66dB, k=2 : U=4.28dB, k=2 : U=4.98dB, k=2 : U=5.06dB, k=2 : U=2.72dB, k=2 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 7 of 70 2. MEASURING DEVICE AND TEST EQUIPMENT Kind of equipment Manufacturer Type S/N Calibrated dates Cal. Interval EMI Test Receiver Rohde&Schwarz ESCS30 100307 Jan. 05, 2019 One Year EMI Test Receiver Rohde&Schwarz ESR 101817 Jan. 05, 2019 Spectrum Analyzer Rohde&Schwarz FSV-40 101495 Jan. 05, 2019 Pre-Amplifier Pre-Amplifier Compliance Direction Agilent RSU-M2 8447D 38322 Jan. 05, 2019 294A10619 Jan. 05, 2019 Loop Antenna Schwarzbeck FMZB1516 1516131 Jan. 05, 2019 Bilog Antenna Schwarzbeck VULB9163 9163-323 Jan. 05, 2019 Horn Antenna Schwarzbeck BBHA9120D 9120D-655 Jan. 05, 2019 Horn Antenna Schwarzbeck BBHA9170 9170-359 Jan. 05, 2019 LISN Schwarzbeck NSLK8126 8126431 Jan. 05, 2019 Highpass Filter Band Reject Filter RF Coaxial Cable (Conducted Emission) RF Coaxial Cable (Radiated Emission) RF Coaxial Cable (Radiated Emission) RF Coaxial Cable (Radiated Emission) RF Coaxial Cable (Radiated Emission) RF Coaxial Cable (Radiated Emission) RF Coaxial Cable (Radiated Emission) Wainwright Instruments Wainwright Instruments SUHNER RESENBERGER RESENBERGER SUHNER SUHNER SUHNER RESENBERGER WHKX3.6/18G-10SS N/A WRCG2400/2485-237 N/A 5/2510-60/11SS N-2m No.2 N-12m No.11 N-0.5m No.12 N-2m No.13 N-0.5m No.15 N-2m No.16 N-6m No.17 Jan. 05, 2019 Jan. 05, 2019 Jan. 05, 2019 Jan. 05, 2019 Jan. 05, 2019 Jan. 05, 2019 Jan. 05, 2019 Jan. 05, 2019 Jan. 05, 2019 Temporary antenna connector NTGS 14AE N/A July 23, 2019 Conducted Emission Measurement Software: ES-K1 V1.71 Radiated Emission Measurement Software: EZ_EMC V1.1.4.2 One Year One Year One Year One Year One Year One Year One Year One Year One Year One Year One Year One Year One Year One Year One Year One Year One Year One Year N/A Note: The temporary antenna connector is soldered on the PCB board in order to perform conducted tests and this temporary antenna connector is listed in the equipment list. FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 8 of 70 3. OPERATION OF EUT DURING TESTING 3.1.Operating Mode The mode is used: Transmitting mode Low Channel: 2402MHz Middle Channel: 2441MHz High Channel: 2480MHz Hopping Note: The equipment under test (EUT) was tested under fully-charged battery. The Bluetooth has been tested under continuous transmission mode. EUT is connected to a computer through the usb-serial controller tool and Use test software to set the test mode. Test software is (FCCAssist_2.4) 3.2.Configuration and peripherals EUT Figure 1 Setup: Transmitting mode FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 9 of 70 4. FREQUENCY HOPPING SYSTEM REQUIREMENTS 4.1.Standard and Limit According to FCC Part 15.247(a)(1), The system shall hop to channel frequencies that are selected at the system hopping rate from a pseudo randomly ordered list of hopping frequencies. Each frequency must be used equally on the average by each transmitter. The system receivers shall have input bandwidths that match the hopping channel bandwidths of their corresponding transmitters and shall shift frequencies in synchronization with the transmitted signals. (g) Frequency hopping spread spectrum systems are not required to employ all available hopping channels during each transmission. However, the system, consisting of both the transmitter and the receiver, must be designed to comply with all of the regulations in this section should the transmitter be presented with a continuous data (or information) stream. In addition, a system employing short transmission bursts must comply with the definition of a frequency hopping system and must distribute its transmissions over the minimum number of hopping channels specified in this section. (h) The incorporation of intelligence within a frequency hopping spread spectrum system that permits the system to recognize other users within the spectrum band so that it individually and independently chooses and adapts its hop sets to avoid hopping on occupied channels is permitted. The coordination of frequency hopping systems in any other manner for the express purpose of avoiding the simultaneous occupancy of individual hopping frequencies by multiple transmitters is not permitted. 4.2.EUT Pseudorandom Frequency Hopping Sequence Pseudorandom Frequency Hopping Sequence Table as below: Channel: 08, 24, 40, 56, 34, 51, 72, 09, 01, 64, 22, 33, 41, 32, 47, 65, 73, 53, 69, 06, 17, 04, 20, 36, 52, 38, 66, 70, 78, 68, 76, 21, 29, 10, 26, 49, 00, 58, 44, 59, 75, 13, 03, 14, 11, 35, 43, 37, 50, 61, 77, 55, 71, 02, 23, 07, 27, 39, 54, 46, 48, 15, 63, 62, 67, 25, 31, 12, 28, 19, 60, 42, 57, 74, 16, 05, 18, 30, 45, etc. The system receiving have input bandwidths that match the hopping channel bandwidths of their corresponding transmitters and shift frequencies in synchronization with the transmitted signals. FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 10 of 70 4.3.Frequency Hopping System This transmitter device is frequency hopping device, and complies with FCC part 15.247 rule. This device uses Bluetooth radio which operates in 2400-2483.5 MHz band. Bluetooth uses a radio technology called frequency-hopping spread spectrum, which chops up the data being sent and transmits chunks of it on up to 79 bands (1 MHz each; centred from 2402 to 2480 MHz) in the range 2,400-2,483.5MHz. The transmitter switches hop frequencies 1,600 times per second to assure a high degree of data security. All Bluetooth devices participating in a given piconet are synchronized to the frequency-hopping channel for the piconet. The frequency hopping sequence is determined by the master's device address and the phase of the hopping sequence (the frequency to hop at a specific time) is determined by the master's internal clock. Therefore, all slaves in a piconet must know the master's device address and must synchronize their clocks with the master's clock. Adaptive Frequency Hopping (AFH) was introduced in the Bluetooth specification to provide an effective way for a Bluetooth radio to counteract normal interference. AFH identifies "bad" channels, where either other wireless devices are interfering with the Bluetooth signal or the Bluetooth signal is interfering with another device. The AFH-enabled Bluetooth device will then communicate with other devices within its piconet to share details of any identified bad channels. The devices will then switch to alternative available "good" channels, away from the areas of interference, thus having no impact on the bandwidth used. This device was tested with a bluetooth system receiver to check that the device maintained hopping synchronization, and the device complied with these requirements FCC Part 15.247 rule. FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 11 of 70 5. TEST PROCEDURES AND RESULTS FCC Rules Description of Test Result Section 15.247(a)(1) 20dB Bandwidth Test Compliant Section 15.247(a)(1) Carrier Frequency Separation Test Compliant Section 15.247(a)(1)(iii) Number Of Hopping Frequency Test Compliant Section 15.247(a)(1)(iii) Dwell Time Test Compliant Section 15.247(b)(1) Maximum Peak Output Power Test Compliant Section 15.247(d) Section 15.209 Section 15.247(d) Radiated Emission Test Band Edge Compliance Test Compliant Compliant Section 15.207 Section 15.203 AC Power Line Conducted Emissions Limits Test Antenna Requirement Compliant Compliant FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 12 of 70 6. 20DB BANDWIDTH TEST 6.1.Block Diagram of Test Setup EUT Low Loss Cable Spectrum Analyzer 6.2.The Requirement For Section 15.247(a)(1) Frequency hopping systems shall have hopping channel carrier frequencies separated by a minimum of 25 kHz or the 20 dB bandwidth of the hopping channel, whichever is greater. 6.3.EUT Configuration on Measurement The equipment are installed on the emission measurement to meet the commission requirements and operating regulations in a manner which tends to maximize its emission characteristics in normal application. 6.4.Operating Condition of EUT 6.4.1.Setup the EUT and simulator as shown as Section 6.1. 6.4.2.Turn on the power of all equipment. 6.4.3.Let the EUT work in TX (Hopping off) modes measure it. The transmit frequency are 2402-2480MHz. We select 2402MHz, 2441MHz, and 2480MHz TX frequency to transmit. 6.5.Test Procedure 6.5.1.Remove the antenna from the EUT and then connect a low loss RF cable from the antenna port to the spectrum analyzer. 6.5.2.The spectrum analyzer center frequency is set to the nominal EUT channel center frequency. The span range for the EMI receiver or spectrum analyzer shall be between two times and five times the OBW. 6.5.3.RBW shall be in the range of 1% to 5% of the OBW and VBW shall be approximately three times RBW. 6.5.4.The 20dB bandwidth is defined as the total spectrum the power of which is higher than peak power minus 20dB. FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 13 of 70 6.6.Test Result Test Lab: Shielding room Test Engineer: Ben Channel Low Middle High Frequency (MHz) 2402 2441 2480 GFSK 20dB Bandwidth (MHz) 1.050 1.044 1.050 /4-DQPSK 20dB Bandwidth (MHz) 1.332 1.350 1.344 Result Pass Pass Pass The spectrum analyzer plots are attached as below. GFSK Mode MARKER 1 2.402036 GHz Ref 20 dBm 20 Offset 10 dB 10 1 PK MAXH 0 -10 -20 -30 -40 -50 -60 -70 -80 Center 2.402 GHz Low channel Att 40 dB * RBW 30 kHz * VBW 100 kHz SWT 5 ms Marker 1 [T1 ] -4.31 dBm 2.402036000 GHz ndB [T1] 20.00 dB BW 1.050000000 MHz Temp 1 [T1 ndB] A -24.26 dBm 2.401436000 GHz 1 Temp 2 [T1 ndB] -24.50 dBm LVL 2.402486000 GHz T1 T2 300 kHz/ Span 3 MHz Date: 23.JUL.2019 13:28:08 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 14 of 70 MARKER 1 2.441036 GHz Ref 20 dBm 20 Offset 10 dB 10 1 PK MAXH 0 -10 -20 -30 -40 -50 -60 -70 -80 Center 2.441 GHz Middle channel Att 40 dB * RBW 30 kHz * VBW 100 kHz SWT 5 ms Marker 1 [T1 ] -4.73 dBm 2.441036000 GHz ndB [T1] 20.00 dB BW 1.044000000 MHz Temp 1 [T1 ndB] A -24.88 dBm 2.440436000 GHz 1 Temp 2 [T1 ndB] -24.85 dBm LVL 2.441480000 GHz T1 T2 300 kHz/ Span 3 MHz Date: 23.JUL.2019 13:28:47 MARKER 1 2.480036 GHz Ref 20 dBm 20 Offset 10 dB 10 1 PK MAXH 0 -10 High channel Att 40 dB * RBW 30 kHz * VBW 100 kHz SWT 5 ms Marker 1 [T1 ] -5.49 dBm 2.480036000 GHz ndB [T1] 20.00 dB BW 1.050000000 MHz Temp 1 [T1 ndB] A -25.33 dBm 2.479436000 GHz Temp 2 [T1 ndB] 1 -25.46 dBm LVL 2.480486000 GHz -20 T1 T2 -30 -40 -50 -60 -70 -80 Center 2.48 GHz 300 kHz/ Span 3 MHz Date: 23.JUL.2019 13:29:28 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 15 of 70 /4-DQPSK Mode MARKER 1 2.401802 GHz Ref 20 dBm 20 Offset 10 dB 10 1 PK MAXH 0 -10 Low channel Att 40 dB * RBW 30 kHz * VBW 100 kHz SWT 5 ms Marker 1 [T1 ] -5.76 dBm 2.401802000 GHz ndB [T1] 20.00 dB BW 1.332000000 MHz Temp 1 [T1 ndB] A -26.15 dBm 2.401316000 GHz Temp 2 [T1 ndB] 1 -25.42 dBm LVL 2.402648000 GHz -20 T1 T2 -30 -40 -50 -60 -70 -80 Center 2.402 GHz 300 kHz/ Span 3 MHz Date: 23.JUL.2019 13:32:19 MARKER 1 2.440796 GHz Ref 20 dBm 20 Offset 10 dB 10 1 PK MAXH 0 -10 Middle channel Att 40 dB * RBW 30 kHz * VBW 100 kHz SWT 5 ms Marker 1 [T1 ] -7.08 dBm 2.440796000 GHz ndB [T1] 20.00 dB BW 1.350000000 MHz Temp 1 [T1 ndB] A -27.11 dBm 2.440304000 GHz Temp 2 [T1 ndB] 1 -27.11 dBm LVL 2.441654000 GHz -20 T1 T2 -30 -40 -50 -60 -70 -80 Center 2.441 GHz 300 kHz/ Span 3 MHz Date: 23.JUL.2019 13:31:42 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 16 of 70 MARKER 1 2.479808 GHz Ref 20 dBm 20 Offset 10 dB 10 1 PK MAXH 0 -10 High channel Att 40 dB * RBW 30 kHz * VBW 100 kHz SWT 5 ms Marker 1 [T1 ] -7.95 dBm 2.479808000 GHz ndB [T1] 20.00 dB BW 1.344000000 MHz Temp 1 [T1 ndB] A -27.48 dBm 2.479310000 GHz Temp 2 [T1 ndB] 1 -27.91 dBm LVL 2.480654000 GHz -20 T1 T2 -30 -40 -50 -60 -70 -80 Center 2.48 GHz 300 kHz/ Span 3 MHz Date: 23.JUL.2019 13:30:43 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 17 of 70 7. CARRIER FREQUENCY SEPARATION TEST 7.1.Block Diagram of Test Setup EUT Low Loss Cable Spectrum Analyzer 7.2.The Requirement For Section 15.247(a)(1) Frequency hopping systems shall have hopping channel carrier frequencies separated by a minimum of 25 kHz or the 20 dB bandwidth of the hopping channel, whichever is greater. Alternatively, frequency hopping systems operating in the 2400-2483.5 MHz band may have hopping channel carrier frequencies that are separated by 25 kHz or two-thirds of the 20 dB bandwidth of the hopping channel, whichever is greater, provided the systems operate with an output power no greater than 125 mW. The system shall hop to channel frequencies that are selected at the system hopping rate from a pseudo randomly ordered list of hopping frequencies. Each frequency must be used equally on the average by each transmitter. The system receivers shall have input bandwidths that match the hopping channel bandwidths of their corresponding transmitters and shall shift frequencies in synchronization with the transmitted signals. 7.3.EUT Configuration on Measurement The equipment are installed on the emission measurement to meet the commission requirements and operating regulations in a manner which tends to maximize its emission characteristics in normal application. 7.4.Operating Condition of EUT 7.4.1.Setup the EUT and simulator as shown as Section 7.1. 7.4.2.Turn on the power of all equipment. 7.4.3.Let the EUT work in TX (Hopping on) modes measure it. The transmit frequency are 2402-2480MHz. We select 2402MHz, 2441MHz, and 2480MHz TX frequency to transmit. FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 18 of 70 7.5.Test Procedure 7.5.1.The transmitter output was connected to the spectrum analyzer through a low loss cable. 7.5.2.Set RBW of spectrum analyzer to 30 kHz and VBW to 100 kHz. Adjust Span to 3 MHz. 7.5.3.Set the adjacent channel of the EUT maxhold another trace. 7.5.4.Measurement the channel separation 7.6.Test Result Test Lab: Shielding room Test Engineer: Ben GFSK Channel Low Middle High Frequency (MHz) 2402 2403 2440 2441 2479 2480 Channel Separation(MHz) 1.002 1.002 0.996 Limit (MHz) 25KHz or 2/3*20dB bandwidth 25KHz or 2/3*20dB bandwidth 25KHz or 2/3*20dB bandwidth Result Pass Pass Pass /4-DQPSK Channel Frequency (MHz) Low 2402 2403 Middle 2440 2441 High 2479 2480 Channel Separation(MHz) 1020 1.002 1.014 Limit (MHz) 25KHz or 2/3*20dB bandwidth 25KHz or 2/3*20dB bandwidth 25KHz or 2/3*20dB bandwidth Result Pass Pass Pass FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 19 of 70 GFSK Mode DELTA MARKER 2 -1.002 MHz Ref 20 dBm 20 Offset 10 dB 10 1 PK MAXH 0 -10 -20 -30 -40 -50 -60 -70 -80 Center 2.4025 GHz Low channel Att 40 dB * RBW 30 kHz * VBW 100 kHz SWT 5 ms Delta 2 [T1 ] -0.00 dB -1.002000000 MHz Marker 1 [T1 ] -4.11 dBm 2.403040000 GHz A 2 1 LVL 300 kHz/ Span 3 MHz Date: 23.JUL.2019 11:12:19 DELTA MARKER 2 -1.002 MHz Ref 20 dBm 20 Offset 10 dB 10 1 PK MAXH 0 -10 Middle channel Att 40 dB * RBW 30 kHz * VBW 100 kHz SWT 5 ms Delta 2 [T1 ] 0.00 dB -1.002000000 MHz Marker 1 [T1 ] -4.46 dBm 2.441040000 GHz A 2 1 LVL -20 -30 -40 -50 -60 -70 -80 Center 2.4405 GHz 300 kHz/ Span 3 MHz Date: 23.JUL.2019 11:15:33 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 20 of 70 DELTA MARKER 2 1.002 MHz Ref 20 dBm 20 Offset 10 dB 10 1 PK MAXH 0 -10 -20 -30 -40 -50 -60 -70 -80 Center 2.4795 GHz High channel Att 40 dB * RBW 30 kHz * VBW 100 kHz SWT 5 ms Delta 2 [T1 ] -0.06 dB 1.002000000 MHz Marker 1 [T1 ] -5.15 dBm 2.479038000 GHz A 1 2 LVL 300 kHz/ Span 3 MHz Date: 23.JUL.2019 11:16:35 /4-DQPSK Mode DELTA MARKER 2 -1.02 MHz Ref 20 dBm Low channel Att 40 dB * RBW 30 kHz * VBW 100 kHz SWT 5 ms Delta 2 [T1 ] -0.22 dB -1.020000000 MHz 20 Offset 10 dB 10 Marker 1 [T1 ] -9.40 dBm 2.402836000 GHz A 1 PK MAXH 0 2 1 -10 LVL -20 -30 -40 -50 -60 -70 -80 Center 2.4025 GHz 300 kHz/ Span 3 MHz Date: 23.JUL.2019 11:13:37 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 21 of 70 DELTA MARKER 2 1.002 MHz Ref 20 dBm 20 Offset 10 dB 10 1 PK MAXH 0 -10 Middle channel Att 40 dB * RBW 30 kHz * VBW 100 kHz SWT 5 ms Delta 2 [T1 ] 0.46 dB 1.002000000 MHz Marker 1 [T1 ] -9.17 dBm 2.439834000 GHz A 1 2 LVL -20 -30 -40 -50 -60 -70 -80 Center 2.4405 GHz 300 kHz/ Span 3 MHz Date: 23.JUL.2019 11:14:48 DELTA MARKER 2 -1.014 MHz Ref 20 dBm 20 Offset 10 dB 10 1 PK MAXH 0 2 -10 High channel Att 40 dB * RBW 30 kHz * VBW 100 kHz SWT 5 ms Delta 2 [T1 ] 0.91 dB -1.014000000 MHz Marker 1 [T1 ] -10.67 dBm 2.479818000 GHz A LVL 1 -20 -30 -40 -50 -60 -70 -80 Center 2.4795 GHz 300 kHz/ Span 3 MHz Date: 23.JUL.2019 11:17:35 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 22 of 70 8. NUMBER OF HOPPING FREQUENCY TEST 8.1.Block Diagram of Test Setup EUT Low Loss Cable Spectrum Analyzer 8.2.The Requirement For Section 15.247(a)(1)(iii) Frequency hopping systems in the 2400-2483.5 MHz band shall use at least 15 channels. 8.3.EUT Configuration on Measurement The equipment are installed on the emission measurement to meet the commission requirements and operating regulations in a manner which tends to maximize its emission characteristics in normal application. 8.4.Operating Condition of EUT 8.4.1.Setup the EUT and simulator as shown as Section 8.1. 8.4.2.Turn on the power of all equipment. 8.4.3.Let the EUT work in TX (Hopping on) modes measure it. 8.5.Test Procedure 8.5.1.The transmitter output was connected to the spectrum analyzer through a low loss cable. 8.5.2.Set the spectrum analyzer as RBW=100 kHz, VBW=300 kHz. 8.5.3.Max hold, view and count how many channel in the band. FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 23 of 70 8.6.Test Result Test Lab: Shielding room Test Engineer: Ben Total number of hopping channel Measurement result(CH) 79 Limit(CH) 15 Result Pass The spectrum analyzer plots are attached as below. Number of hopping channels (GFSK Mode) DELTA MARKER 2 78.288 MHz Ref 20 dBm 20 Offset 10 dB 10 1 PK MAXH 0 1 -10 Att 40 dB * RBW 100 kHz * VBW 300 kHz SWT 10 ms Delta 2 [T1 ] -0.90 dB 78.288000000 MHz Marker 1 [T1 ] -2.39 dBm 2.401856000 GHz A 2 LVL -20 -30 -40 -50 -60 -70 -80 Center 2.441 GHz 8.4 MHz/ Span 84 MHz Date: 23.JUL.2019 11:34:17 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 24 of 70 Number of hopping channels (/4-DQPSK Mode) DELTA MARKER 2 78.288 MHz Ref 20 dBm 20 Offset 10 dB 10 1 PK MAXH 01 -10 Att 40 dB * RBW 100 kHz * VBW 300 kHz SWT 10 ms Delta 2 [T1 ] -0.41 dB 78.288000000 MHz Marker 1 [T1 ] -3.73 dBm 2.401688000 GHz A 2 LVL -20 -30 -40 -50 -60 -70 -80 Center 2.441 GHz 8.4 MHz/ Span 84 MHz Date: 23.JUL.2019 11:31:51 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 25 of 70 9. DWELL TIME TEST 9.1.Block Diagram of Test Setup EUT Low Loss Cable Spectrum Analyzer 9.2.The Requirement For Section 15.247(a)(1)(iii) Frequency hopping systems in the 2400-2483.5 MHz band shall use at least 15 channels. The average time of occupancy on any channel shall not be greater than 0.4 seconds within a period of 0.4 seconds multiplied by the number of hopping channels employed. Frequency hopping systems may avoid or suppress transmissions on a particular hopping frequency provided that a minimum of 15 channels are used. 9.3.EUT Configuration on Measurement The equipment are installed on the emission measurement to meet the commission requirements and operating regulations in a manner which tends to maximize its emission characteristics in normal application. 9.4.Operating Condition of EUT 9.4.1.Setup the EUT and simulator as shown as Section 9.1. 9.4.2.Turn on the power of all equipment. 9.4.3.Let the EUT work in TX (Hopping on) modes measure it. The transmit frequency are 2402-2480MHz. We select 2402MHz, 2441MHz, and 2480MHz TX frequency to transmit. 9.5.Test Procedure 9.5.1.The transmitter output was connected to the spectrum analyzer through a low loss cable. 9.5.2.Set center frequency of spectrum analyzer = operating frequency. 9.5.3.Set the spectrum analyzer as RBW=1MHz, VBW=3MHz, Span=0Hz, Adjust Sweep=5ms, 10ms, 15ms. Get the pulse time. 9.5.4.Repeat above procedures until all frequency measured were complete. FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 26 of 70 9.6.Test Result Test Lab: Shielding room Test Engineer: Ben GFSK Mode (Worse case) Mode Channel Frequency (MHz) Pulse Time (ms) Dwell Time (ms) Limit (ms) DH1 2441 0.420 134.40 400 A period transmit time = 0.4 79 = 31.6 Dwell time = pulse time (1600/(2*79))31.6 DH3 2441 1.660 265.60 400 A period transmit time = 0.4 79 = 31.6 Dwell time = pulse time (1600/(4*79))31.6 DH5 2441 2.860 305.07 400 A period transmit time = 0.4 79 = 31.6 Dwell time = pulse time (1600/(6*79))31.6 /4-DQPSK Mode (Worse case) Mode Channel Frequency (MHz) Pulse Time (ms) Dwell Time (ms) Limit (ms) 2-DH1 2441 0.420 134.40 400 A period transmit time = 0.4 79 = 31.6 Dwell time = pulse time (1600/(2*79))31.6 2-DH3 2441 1.600 256.00 400 A period transmit time = 0.4 79 = 31.6 Dwell time = pulse time (1600/(4*79))31.6 2-DH5 2441 2.840 302.93 400 A period transmit time = 0.4 79 = 31.6 Dwell time = pulse time (1600/(6*79))31.6 Note: We tested GFSK mode and /4-DQPSK mode the low, middle and high channel and recorded the worse case data for all test mode. The spectrum analyzer plots are attached as below. FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 27 of 70 GFSK Mode MARKER 1 2.9 ms Ref 20 dBm 20 Offset 10 dB 10 1 PK MAXH 0 -10 -20 -30 -40 -50 -60 -70 -80 Center 2.441 GHz DH1 Middle channel Att 40 dB RBW 1 MHz * VBW 3 MHz SWT 5 ms Marker 1 [T1 ] -39.43 dBm 2.900000 ms Delta 2 [T1 ] 1.31 dB 420.000000 µs A SGL LVL 1 2 500 µs/ Date: 23.JUL.2019 12:54:29 DELTA MARKER 2 1.66 ms Ref 20 dBm 20 Offset 10 dB 10 1 PK MAXH 0 -10 DH3 Middle channel Att 40 dB RBW 1 MHz * VBW 3 MHz SWT 10 ms Delta 2 [T1 ] 1.65 dB 1.660000 ms Marker 1 [T1 ] -38.50 dBm 3.240000 ms A SGL LVL -20 -30 -40 2 1 -50 -60 -70 -80 Center 2.441 GHz 1 ms/ Date: 23.JUL.2019 11:44:52 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 28 of 70 MARKER 1 2.58 ms Ref 20 dBm 20 Offset 10 dB 10 1 PK MAXH 0 -10 -20 -30 1 -40 -50 -60 -70 -80 Center 2.441 GHz DH5 Middle channel Att 40 dB RBW 1 MHz * VBW 3 MHz SWT 15 ms Marker 1 [T1 ] -37.96 dBm 2.580000 ms Delta 2 [T1 ] -0.54 dB 2.860000 ms A SGL LVL 2 1.5 ms/ Date: /4-DQPSK Mode 23.JUL.2019 11:45:38 2-DH1 Middle channel DELTA MARKER 2 420 µs Ref 20 dBm Att 40 dB RBW 1 MHz * VBW 3 MHz SWT 5 ms 20 Offset 10 dB 10 1 PK MAXH 0 Delta 2 [T1 ] 0.30 dB 420.000000 µs Marker 1 [T1 ] -40.62 dBm 2.470000 ms A SGL LVL -10 -20 -30 -40 1 2 -50 -60 -70 -80 Center 2.441 GHz 500 µs/ Date: 23.JUL.2019 12:50:02 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 29 of 70 DELTA MARKER 2 1.6 ms Ref 20 dBm 20 Offset 10 dB 10 1 PK MAXH 0 -10 2-DH3 Middle channel Att 40 dB RBW 1 MHz * VBW 3 MHz SWT 10 ms Delta 2 [T1 ] -1.56 dB 1.600000 ms Marker 1 [T1 ] -37.41 dBm 5.580000 ms A SGL LVL -20 -30 -40 1 2 -50 -60 -70 -80 Center 2.441 GHz 1 ms/ Date: 23.JUL.2019 11:52:29 MARKER 1 9.85 ms Ref 20 dBm 20 Offset 10 dB 10 1 PK MAXH 0 -10 2-DH5 Middle channel Att 40 dB RBW 1 MHz * VBW 3 MHz SWT 15 ms Marker 1 [T1 ] -37.51 dBm 9.850000 ms Delta 2 [T1 ] 0.21 dB 2.840000 ms A SGL LVL -20 -30 -40 1 2 -50 -60 -70 -80 Center 2.441 GHz 1.5 ms/ Date: 23.JUL.2019 11:51:33 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 30 of 70 10. MAXIMUM PEAK OUTPUT POWER TEST 10.1.Block Diagram of Test Setup EUT Low Loss Cable Spectrum Analyzer 10.2.The Requirement For Section 15.247(b)(1) For frequency hopping systems operating in the 2400-2483.5 MHz band employing at least 75 non-overlapping hopping channels, and all frequency hopping systems in the 5725-5850 MHz band: 1 watt. For all other frequency hopping systems in the 2400-2483.5 MHz band: 0.125 watts. 10.3.EUT Configuration on Measurement The equipment are installed on the emission Measurement to meet the commission requirements and operating regulations in a manner which tends to maximize its emission characteristics in normal application. 10.4.Operating Condition of EUT 10.4.1.Setup the EUT and simulator as shown as Section 10.1. 10.4.2.Turn on the power of all equipment. 10.4.3.Let the EUT work in TX (Hopping off) modes measure it. The transmit frequency are 2402-2480MHz. We select 2402MHz, 2441MHz, and 2480MHz TX frequency to transmit. 10.5.Test Procedure 10.5.1.The transmitter output was connected to the spectrum analyzer through a low loss cable. 10.5.2.Set RBW of spectrum analyzer to 3MHz and VBW to 10MHz. 10.5.3.Measurement the maximum peak output power. FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 31 of 70 10.6.Test Result Test Lab: Shielding room Test Engineer: Frank GFSK Mode Channel Low Middle High Frequency (MHz) 2402 2441 2480 Peak Output Power (dBm/W) -0.88/0.0008 -1.34/0.0007 -2.01/0.0006 /4-DQPSK Mode Channel Low Middle High Frequency (MHz) 2402 2441 2480 Peak Output Power (dBm/W) -0.85/0.0008 -1.31/0.0007 -2.01/0.0006 The spectrum analyzer plots are attached as below. Limits (dBm/W) 21 / 0.125 21 / 0.125 21 / 0.125 Result Pass Pass Pass Limits (dBm/W) 21 / 0.125 21 / 0.125 21 / 0.125 Result Pass Pass Pass FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 32 of 70 GFSK Mode MARKER 1 2.40187 GHz Ref 20 dBm 20 Offset 10 dB 10 1 PK MAXH 0 -10 -20 -30 -40 -50 -60 -70 -80 Center 2.402 GHz Low channel Att 40 dB * RBW 3 MHz * VBW 10 MHz SWT 2.5 ms Marker 1 [T1 ] -0.85 dBm 2.401870000 GHz A 1 LVL 500 kHz/ Span 5 MHz Date: 23.JUL.2019 11:10:10 MARKER 1 2.4406 GHz Ref 20 dBm 20 Offset 10 dB 10 1 PK MAXH 0 -10 -20 -30 -40 -50 -60 -70 -80 Center 2.441 GHz Middle channel Att 40 dB * RBW 3 MHz * VBW 10 MHz SWT 2.5 ms Marker 1 [T1 ] -1.31 dBm 2.440600000 GHz A 1 LVL 500 kHz/ Span 5 MHz Date: 23.JUL.2019 11:09:41 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 33 of 70 MARKER 1 2.47969 GHz Ref 20 dBm 20 Offset 10 dB 10 1 PK MAXH 0 -10 -20 -30 -40 -50 -60 -70 -80 Center 2.48 GHz High channel Att 40 dB * RBW 3 MHz * VBW 10 MHz SWT 2.5 ms Marker 1 [T1 ] -2.01 dBm 2.479690000 GHz A 1 LVL 500 kHz/ Span 5 MHz Date: 23.JUL.2019 11:09:13 /4-DQPSK Mode Low channel MARKER 1 2.40168 GHz Ref 20 dBm Att 40 dB * RBW 3 MHz * VBW 10 MHz SWT 2.5 ms 20 Offset 10 dB 10 1 PK MAXH 1 0 -10 Marker 1 [T1 ] -0.88 dBm 2.401680000 GHz A LVL -20 -30 -40 -50 -60 -70 -80 Center 2.402 GHz 500 kHz/ Span 5 MHz Date: 23.JUL.2019 11:06:49 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 34 of 70 MARKER 1 2.44068 GHz Ref 20 dBm 20 Offset 10 dB 10 1 PK MAXH 0 -10 -20 -30 -40 -50 -60 -70 -80 Center 2.441 GHz Middle channel Att 40 dB * RBW 3 MHz * VBW 10 MHz SWT 2.5 ms Marker 1 [T1 ] -1.34 dBm 2.440680000 GHz A 1 LVL 500 kHz/ Span 5 MHz Date: 23.JUL.2019 11:07:42 MARKER 1 2.47986 GHz Ref 20 dBm 20 Offset 10 dB 10 1 PK MAXH 0 -10 High channel Att 40 dB * RBW 3 MHz * VBW 10 MHz SWT 2.5 ms Marker 1 [T1 ] -2.01 dBm 2.479860000 GHz A 1 LVL -20 -30 -40 -50 -60 -70 -80 Center 2.48 GHz 500 kHz/ Span 5 MHz Date: 23.JUL.2019 11:08:43 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 35 of 70 11. RADIATED EMISSION TEST 11.1.Block Diagram of Test Setup 11.1.1.Block diagram of connection between the EUT and peripherals EUT Figure 1 Setup: Transmitting mode 11.1.2.Semi-Anechoic Chamber Test Setup Diagram FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 36 of 70 11.2.The Limit For Section 15.247(d) In any 100 kHz bandwidth outside the frequency band in which the spread spectrum or digitally modulated intentional radiator is operating, the radio frequency power that is produced by the intentional radiator shall be at least 20 dB below that in the 100 kHz bandwidth within the band that contains the highest level of the desired power, based on either an RF conducted or a radiated measurement, provided the transmitter demonstrates compliance with the peak conducted power limits. If the transmitter complies with the conducted power limits based on the use of RMS averaging over a time interval, as permitted under paragraph (b)(3) of this section, the attenuation required under this paragraph shall be 30 dB instead of 20 dB. Attenuation below the general limits specified in Section 15.209(a) is not required. In addition, radiated emissions which fall in the restricted bands, as defined in Section 15.205(a), must also comply with the radiated emission limits specified in Section 15.209(a). FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 37 of 70 11.3.Restricted bands of operation 11.3.1.FCC Part 15.205 Restricted bands of operation (a) Except as shown in paragraph (d) of this section, Only spurious emissions are permitted in any of the frequency bands listed below: MHz MHz MHz GHz 0.090-0.110 10.495-0.505 16.42-16.423 16.69475-16.69525 399.9-410 608-614 4.5-5.15 5.35-5.46 2.1735-2.1905 16.80425-16.80475 960-1240 7.25-7.75 4.125-4.128 25.5-25.67 1300-1427 8.025-8.5 4.17725-4.17775 37.5-38.25 1435-1626.5 9.0-9.2 4.20725-4.20775 73-74.6 1645.5-1646.5 9.3-9.5 6.215-6.218 74.8-75.2 1660-1710 10.6-12.7 6.26775-6.26825 108-121.94 1718.8-1722.2 13.25-13.4 6.31175-6.31225 123-138 2200-2300 14.47-14.5 8.291-8.294 149.9-150.05 2310-2390 15.35-16.2 8.362-8.366 156.52475-156.52525 2483.5-2500 17.7-21.4 8.37625-8.38675 156.7-156.9 2690-2900 22.01-23.12 8.41425-8.41475 162.0125-167.17 3260-3267 23.6-24.0 12.29-12.293 167.72-173.2 3332-3339 31.2-31.8 12.51975-12.52025 12.57675-12.57725 240-285 322-335.4 3345.8-3358 3600-4400 36.43-36.5 (2) 13.36-13.41 1Until February 1, 1999, this restricted band shall be 0.490-0.510 2Above 38.6 (b) Except as provided in paragraphs (d) and (e), the field strength of emission appearing within these frequency bands shall not exceed the limits shown in Section 15.209. At frequencies equal to or less than 1000MHz, Compliance with the limits in Section 15.209 shall be demonstrated using measurement instrumentation employing a CISPR quasi-peak detector. Above 1000MHz, compliance with the emission limits in Section15.209 shall be demonstrated based on the average value of the measured emissions. The provisions in Section 15.35 apply to these measurements. 11.4.Configuration of EUT on Measurement The equipment is installed on Radiated Emission Measurement to meet the commission requirements and operating regulations in a manner which tends to maximize its emission characteristics in normal application. FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 38 of 70 11.5. Operating Condition of EUT 11.5.1.Setup the EUT and simulator as shown as Section 11.1. 11.5.2.Turn on the power of all equipment. 11.5.3.Let the EUT work in TX modes measure it. The transmit frequency are 2402-2480MHz. We select 2402MHz, 2441MHz, and 2480MHz TX frequency to transmit. 11.6.Test Procedure The EUT and its simulators are placed on a turntable, which is 0.8 meter high above ground(Below 1GHz). The EUT and its simulators are placed on a turntable, which is 1.5 meter high above ground(Above 1GHz). The turntable can rotate 360 degrees to determine the position of the maximum emission level. EUT is set 3.0 meters away from the receiving antenna, which is mounted on an antenna tower. The antenna can be moved up and down between 1.0 meter and 4 meters to find out the maximum emission level. Broadband antenna (calibrated bi-log antenna) is used as receiving antenna. Both horizontal and vertical polarizations of the antenna are set on measurement. In order to find the maximum emission levels, all of the EUT location must be manipulated according to ANSI C63.10:2013 on radiated emission measurement. This EUT was tested in 3 orthogonal positions and the Worse case position data was reported. During the radiated emission test, the spectrum analyzer was set with the following configurations: 1. The resolution bandwidth and video bandwidth of test receiver/spectrum analyzer is 120kHz for Quasi-peak at frequency below 1GHz. 2. The resolution bandwidth of test receiver/spectrum analyzer is 1MHz and video bandwidth is 3MHz for peak measurement with peak detector at frequency above 1GHz. 3. The resolution bandwidth of test receiver/spectrum analyzer is 1MHz and video bandwidth is 10Hz for Average measurement with peak detection at frequency above 1GHz. 4. All modes of operation were investigated and the worst-case emissions are reported. FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 39 of 70 11.7.Data Sample Frequency (MHz) X.XX Reading (dBv) 28.66 Factor (dB/m) -15.19 Result Limit (dBv/m) (dBv/m) 13.47 40.0 Margin (dB) -26.53 Remark QP Frequency(MHz) = Emission frequency in MHz Reading(dBv) = Uncorrected Analyzer/Receiver reading Factor (dB/m) = Antenna factor + Cable Loss Amplifier gain Result(dBv/m) = Reading(dBv) + Factor(dB/m) Limit (dBv/m) = Limit stated in standard Margin (dB) = Result(dBv/m) - Limit (dBv/m) QP = Quasi-peak Reading Calculation Formula: Margin(dB) = Result (dBV/m)Limit(dBV/m) Result(dBV/m)= Reading(dBV)+ Factor(dB/m) The "Margin" column of the following data tables indicates the degree of compliance with the applicable limit. For example, a margin of -7dB means the emission is 7dB below the limit. 11.8.Test Result Pass. Test Lab: 3m Anechoic chamber Test Engineer: Ben Note: 1.We tested GFSK mode, /4-DQPSK Mode and recorded the Worse case data (/4-DQPSK mode) for all test mode. 2. Testing is carried out with frequency rang 9kHz to the tenth harmonics, which above 3th Harmonics are attenuated more than 20dB below the permissible limits or the field strength is too small to be measured. The measurements greater than 20dB below the limit from 9kHz to 30MHz and 18 to 26.5GHz. The spectrum analyzer plots are attached as below. FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Below 1GHz Report No.: ATE20191068 Page 40 of 70 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 41 of 70 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 42 of 70 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 43 of 70 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 44 of 70 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 45 of 70 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Above 1GHz Report No.: ATE20191068 Page 46 of 70 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 47 of 70 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 48 of 70 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 49 of 70 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 50 of 70 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 51 of 70 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 52 of 70 12. BAND EDGE COMPLIANCE TEST 12.1.Block Diagram of Test Setup EUT Low Loss Cable Spectrum Analyzer 12.2.The Requirement For Section 15.247(d) In any 100 kHz bandwidth outside the frequency band in which the spread spectrum or digitally modulated intentional radiator is operating, the radio frequency power that is produced by the intentional radiator shall be at least 20 dB below that in the 100 kHz bandwidth within the band that contains the highest level of the desired power, based on either an RF conducted or a radiated measurement, provided the transmitter demonstrates compliance with the peak conducted power limits. If the transmitter complies with the conducted power limits based on the use of RMS averaging over a time interval, as permitted under paragraph (b)(3) of this section, the attenuation required under this paragraph shall be 30 dB instead of 20 dB. Attenuation below the general limits specified in Section 15.209(a) is not required. In addition, radiated emissions which fall in the restricted bands, as defined in Section 15.205(a), must also comply with the radiated emission limits specified in Section 15.209(a). 12.3.EUT Configuration on Measurement The equipment are installed on the emission Measurement to meet the commission requirements and operating regulations in a manner which tends to maximize its emission characteristics in normal application. 12.4.Operating Condition of EUT 12.4.1.Setup the EUT and simulator as shown as Section 12.1. 12.4.2.Turn on the power of all equipment. 12.4.3.Let the EUT work in TX (Hopping off, Hopping on) modes measure it. The transmit frequency are 2402-2480MHz. We select 2402MHz, 2480MHz TX frequency to transmit. FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 53 of 70 12.5.Test Procedure 12.5.1.The transmitter output was connected to the spectrum analyzer via a low loss cable. 12.5.2.Set RBW of spectrum analyzer to 100 kHz and VBW to 300 kHz with convenient frequency span including 100 kHz bandwidth from band edge. 12.5.3.The band edges was measured and recorded. 12.6.Test Result Test Lab: Shielding room Test Engineer: Ben Note: Both hopping-on mode and hopping-off mode had been pre-tested, and only the Worse case was recorded in the test report. Conducted Band Edge Result Non-hopping mode Frequency (MHz) Result of Band Edge (dBc) Limit of Band Edge (dBc) Result 2400.00 2483.50 2400.00 2483.50 GFSK Mode 34.96 > 20dBc Pass 28.4 > 20dBc Pass /4-DQPSK Mode 34.15 > 20dBc Pass 29.19 > 20dBc Pass The spectrum analyzer plots are attached as below. FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 54 of 70 DISPLAY LINE 1 -21.82 dBm Ref 20 dBm 20 Offset 10 dB 10 1 PK MAXH 0 -10 GFSK Mode Att 40 dB * RBW 100 kHz * VBW 300 kHz SWT 10 ms Marker 3 [T1 ] -36.78 dBm 2.400000000 GHz Marker 1 [T1 ] -1.82 dBm 2.402040000 GHz A Marker 2 [T1 ] -37.89 dBm 1 2.390000000 GHz LVL -20 D1 -21.82 dBm -30 2 3 -40 -50 -60 -70 -80 Center 2.4 GHz 6 MHz/ Span 60 MHz Date: 23.JUL.2019 11:21:01 DISPLAY LINE 1 -22.89 dBm Ref 20 dBm 20 Offset 10 dB 10 1 PK MAXH 0 -10 Att 40 dB 1 * RBW 100 kHz * VBW 300 kHz SWT 10 ms Marker 3 [T1 ] -41.34 dBm 2.500000000 GHz Marker 1 [T1 ] -2.89 dBm 2.480020000 GHz A Marker 2 [T1 ] -34.29 dBm 2.483500000 GHz LVL -20 D1 -22.89 dBm -30 2 3 -40 -50 -60 -70 -80 Center 2.4835 GHz 6 MHz/ Span 60 MHz Date: 23.JUL.2019 11:24:27 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 55 of 70 DISPLAY LINE 1 -22.52 dBm Ref 20 dBm 20 Offset 10 dB 10 1 PK MAXH 0 -10 /4-DQPSK Mode Att 40 dB * RBW 100 kHz * VBW 300 kHz SWT 10 ms Marker 3 [T1 ] -36.67 dBm 2.400000000 GHz Marker 1 [T1 ] -2.52 dBm 2.401800000 GHz A Marker 2 [T1 ] -40.06 dBm 1 2.390000000 GHz LVL -20 D1 -22.52 dBm -30 3 2 -40 -50 -60 -70 -80 Center 2.4 GHz 6 MHz/ Span 60 MHz Date: 23.JUL.2019 11:22:45 DISPLAY LINE 1 -23.58 dBm Ref 20 dBm 20 Offset 10 dB 10 1 PK MAXH 0 -10 Att 40 dB 1 * RBW 100 kHz * VBW 300 kHz SWT 10 ms Marker 3 [T1 ] -42.37 dBm 2.500000000 GHz Marker 1 [T1 ] -3.58 dBm 2.479900000 GHz A Marker 2 [T1 ] -32.77 dBm 2.483500000 GHz LVL -20 D1 -23.58 dBm -30 2 -40 3 -50 -60 -70 -80 Center 2.4835 GHz 6 MHz/ Span 60 MHz Date: 23.JUL.2019 11:25:48 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 56 of 70 Radiated Band Edge Result Note: 1. Emissions attenuated more than 20 dB below the permissible value are not reported. 2. The field strength is calculated by adding the antenna factor, high pass filter loss(if used) and cable loss, and subtracting the amplifier gain(if any)from the measured reading. The basic equation calculation is as follows: Result = Reading + Corrected Factor 3. Display the measurement of peak values. Test Procedure: The EUT and its simulators are placed on a turntable, which is 1.5 meter high above ground(Above 1GHz). The turntable can rotate 360 degrees to determine the position of the maximum emission level. EUT is set 3.0 meters away from the receiving antenna, which is mounted on an antenna tower. The antenna can be moved up and down between 1.0 meter and 4 meters to find out the maximum emission level. Broadband antenna (calibrated bi-log antenna) is used as receiving antenna. Both horizontal and vertical polarizations of the antenna are set on measurement. In order to find the maximum emission levels, all of the EUT location must be manipulated according to ANSI C63.10:2013 on radiated emission measurement. The EUT was tested in 3 orthogonal planes. Let the EUT work in TX (Hopping off, Hopping on) modes measure it. We select 2402MHz, 2480MHz TX frequency to transmit(Hopping off mode). We select 2402-2480MHz TX frequency to transmit(Hopping on mode). During the radiated emission test, the spectrum analyzer was set with the following configurations: 1.The resolution bandwidth of test receiver/spectrum analyzer is 1MHz and video bandwidth is 3MHz for peak measurement with peak detector at frequency above 1GHz. 2.The resolution bandwidth of test receiver/spectrum analyzer is 1MHz and video bandwidth is 10Hz for Average measurement with peak detection at frequency above 1GHz. 3.All modes of operation were investigated and the Worse case (/4-DQPSK Mode) emissions are reported. Test Lab: 3m Anechoic chamber Test Engineer: Ben The spectrum analyzer plots are attached as below. FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Non-hopping mode Report No.: ATE20191068 Page 57 of 70 Note: Average measurement with peak detection at No.2&4 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 58 of 70 Note: Average measurement with peak detection at No.2&4 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 59 of 70 Note: Average measurement with peak detection at No.2&4 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 60 of 70 Note: Average measurement with peak detection at No.2&4 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Hopping mode Report No.: ATE20191068 Page 61 of 70 Note: Average measurement with peak detection at No.2&4&6&8 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 62 of 70 Note: Average measurement with peak detection at No.2&4&6&8 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 63 of 70 13. AC POWER LINE CONDUCTED EMISSION TEST 13.1.Block Diagram of Test Setup 13.1.1.Block diagram of connection between the EUT and simulators AC Mains Test Receiver L.I.S.N Adapter EUT 13.1.2.Test System Setup FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 64 of 70 13.2.Test Limits Frequency Limit dB(V) (MHz) Quasi-peak Level Average Level 0.15 - 0.50 66.0 56.0 * 56.0 46.0 * 0.50 - 5.00 56.0 46.0 5.00 - 30.00 60.0 50.0 NOTE1: The lower limit shall apply at the transition frequencies. NOTE2: The limit decreases linearly with the logarithm of the frequency in the range 0.15MHz to 0.50MHz. 13.3.Configuration of EUT on Measurement The equipments are installed on Power Line Conducted Emission Measurement to meet the commission requirement and operating regulations in a manner, which tends to maximize its emission characteristics in a normal application. 13.4.Operating Condition of EUT 13.4.1.Setup the EUT and simulator as shown as Section 13.1. 13.4.2.Turn on the power of all equipment. 13.4.3.Let the EUT work in test mode and measure it. 13.5.Test Procedure The EUT is put on the plane 0.8m high above the ground by insulating support and is connected to the power mains through a line impedance stabilization network (L.I.S.N.). This provides a 50ohm coupling impedance for the EUT system. Please refer the block diagram of the test setup and photographs. Both sides of AC lines are checked to find out the maximum conducted emission. In order to find the maximum emission levels, the relative positions of equipment and all of the interface cables shall be changed according to ANSI C63.10: 2013 on Conducted Emission Measurement. The bandwidth of test receiver (R & S ESCS30) is set at 9kHz. The frequency range from 150kHz to 30MHz is checked. FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 65 of 70 Frequency (MHz) X.XX 13.6.Data Sample Transducer value (dB) 10.6 QuasiPeak Level (dBV) 25.3 Average Level (dBV) 17.0 QuasiPeak Limit (dBV) 59.0 Average Limit (dBV) 49.0 QuasiPeak Margin (dB) 33.4 Average Margin (dB) 31.7 Frequency(MHz) = Emission frequency in MHz Transducer value(dB) = Insertion loss of LISN + Cable Loss Level(dBV) = Quasi-peak Reading/Average Reading + Transducer value Limit (dBV) = Limit stated in standard Margin = Limit (dBV) - Level (dBV) Calculation Formula: Margin = Limit (dBV) - Level (dBV) Remark (Pass/Fail) Pass 13.7.Test Result Pass. Test Lab: Shielding room Test Engineer: Ben The frequency range from 150kHz to 30MHz is checked. Maximizing procedure was performed on the six (6) highest emissions of the EUT. Emissions attenuated more than 20 dB below the permissible value are not reported. All data was recorded in the Quasi-peak and average detection mode. The spectral diagrams are attached as below. FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 66 of 70 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 67 of 70 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 68 of 70 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 69 of 70 FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd. Report No.: ATE20191068 Page 70 of 70 14. ANTENNA REQUIREMENT 14.1.The Requirement According to Section 15.203, an intentional radiator shall be designed to ensure that no antenna other than that furnished by the responsible party shall be used with the device. 14.2.Antenna Construction Device is equipped with permanent attached antenna, which isn't displaced by other antenna. The Max Antenna gain of EUT is -0.58dBi. Therefore, the equipment complies with the antenna requirement of Section 15.203. ANT ***** End of Test Report ***** FCC ID: 2AON7-6979 Shenzhen Accurate Technology Co., Ltd.Acrobat Distiller 9.0.0 (Windows)