Manuals+

FCC TEST REPORT

Report No.: 18220WC20105201

FCC ID: 2AYFE-S1MINI

Page: 1 of 40

General Information

Client Name: Dongguan Chuanggu Electronic Commerce Co., Ltd

Address: Rm 2005, 20/F, Bldg 16, Yuegang Fuwu Waibao Center, No.7 Keji 10th Rd Songshanhu, Dongguan Guangdong, China.

Product Name: PORTABLE SPEAKER

Date: Jun. 02, 2022

Laboratory: Shenzhen Anbotek Compliance Laboratory Limited

Summary of Test Results

Standard Section Test Item Result
15.203/15.247(c) Antenna Requirement PASS
15.207 Conducted Emission PASS
15.205/15.209 Spurious Emission PASS
15.247(b)(1) Conducted Peak Output Power PASS
15.247(a)(1) 20dB Occupied Bandwidth PASS
15.247(a)(1) Carrier Frequencies Separation PASS
15.247(a)(1) Hopping Channel Number PASS
15.247(a)(1) Dwell Time PASS
15.247(d) Band Edge PASS

Remark: “N/A” is an abbreviation for Not Applicable.

Detailed Test Information

1. General Information

1.1. Client Information

Applicant: Dongguan Chuanggu Electronic Commerce Co., Ltd

Address: Rm 2005, 20/F, Bldg 16, Yuegang Fuwu Waibao Center, No.7 Keji 10th Rd Songshanhu, Dongguan Guangdong, China.

Manufacturer: HONG KONG TORSTEN E-COMMERCE CO., LIMITED

Address: FLAT/RM 616 6/F KAM TEEM INDUSTRIAL BLDG 135 CONNAUGHT ROAD WEST SHEUNG WAN HK

Factory: HONG KONG TORSTEN E-COMMERCE CO., LIMITED

Address: FLAT/RM 616 6/F KAM TEEM INDUSTRIAL BLDG 135 CONNAUGHT ROAD WEST SHEUNG WAN HK

1.2. Description of Device (EUT)

Product NamePORTABLE SPEAKER
Model No.Rienok S1 mini
Trade MarkN.A.
Test Power SupplyAC 120V, 60Hz for adapter/DC 3.7V Battery inside
Test Sample No.1-2-1(Normal Sample), 1-2-2(Engineering Sample)
Operation Frequency2402-2480MHz
Number of Channel79 Channels
Modulation TypeGFSK, π/4-DQPSK, 8-DPSK
Antenna TypePCB Antenna
Antenna Gain(Peak)2 dBi (Provided by customer)
AdapterN/A

Remark: 1) For a more detailed features description, please refer to the manufacturer's specifications or the User's Manual. 2) This report is for BDR+EDR module.

1.3. Auxiliary Equipment Used During Test

AdapterM/N: A2023
Input: AC 100-240V 0.7A 50-60Hz
USB1 Output: DC 5V 2.4A
USB2 Output: DC 5V 2.4A

1.4. Description of Test Modes

To investigate the maximum EMI emission characteristics generated from EUT, the test system was pre-scanning tested based on the consideration of following EUT operation mode or test configuration mode which possible have effect on EMI emission level. Each of these EUT operation mode(s) or test configuration mode(s) mentioned above was evaluated respectively.

TEST MODE:
Mode 1GFSKCH00TX+ Charging Mode/TX Only
Mode 2CH39
Mode 3CH78
Mode 4π/4-DQPSKCH00
Mode 5CH39
Mode 6CH78
Mode 78-DPSKCH00
Mode 8CH39
Mode 9CH78

Note: (1) The measurements are performed at the highest, middle, lowest available channels. (2)The data rate was set in 1Mbps for radiated emission due to the highest RF output power.

1.5. List of channels

ChannelFreq. (MHz)ChannelFreq. (MHz)ChannelFreq. (MHz)ChannelFreq. (MHz)ChannelFreq. (MHz)
002402172419342436512453682470
012403182420352437522454692471
022404192421362438532455702472
032405202422372439542456712473
042406212423382440552457722474
052407222424392441562458732475
062408232425402442572459742476
072409242426412443582460752477
082410252427422444592461762478
092411262428432445602462772479
102412272429442446612463782480
112413282430452447622464
122414292431462448632465
132415302432472449642466
142416312433482450652467
152417322434492451662468
162418332435502452672469

Note: 1. The engineering test program was provided and the EUT was programmed to be in continuously transmitting mode. 2. EUT built-in battery-powered, fully-charged battery use of the test battery.

1.6. Description Of Test Setup

Conducted Emission (CE) Test Setup: Depicts a shielded room with the EUT and an adapter connected to a Line Impedance Stabilization Network (LISN) via AC power. A test receiver is connected to the LISN.

Radiated Emission (RE) Test Setup: Shows a setup with the EUT and system simulator on a table within a shielded room. An antenna is positioned 3 meters away, connected to a spectrum analyzer/receiver. The EUT is 0.8m above the ground plane.

1.7. Test Equipment List

ItemEquipmentManufacturerModel No.Serial No.Last Cal.Cal. Interval
1.Three Phase V-type Artificial Power NetworkCYBERTEKEM5040DTE215040DT001Jul 05, 20211 Year
2.EMI Test ReceiverRohde & SchwarzESCI100627Oct. 22, 20211 Year
3.EMI Test ReceiverRohde & SchwarzESR26101481Oct. 22, 20211 Year
4.RF Switching UnitCompliance DirectionRSU-M238303Oct. 22, 20211 Year
5.MAX Spectrum AnalysisAgilentN9020AMY51170037Oct. 22, 20211 Year
6.PreamplifierSKET ElectronicBK1G18G30KD17503Oct. 22, 20211 Year
7.Double Ridged Horn AntennaInstruments corporationGTH-0118351600Oct. 22, 20212 Year
8.Bilog Broadband AntennaSchwarzbeckVULB9163VULB 9163-289Oct. 22, 20212 Year
9.Loop AntennaSchwarzbeckFMZB1519B00053Oct. 22, 20212 Year
10.Horn AntennaA-INFOLB-180400-K FJ211060628Oct. 22, 20212 Year
11.Pre-amplifierSONOMA310N186860Oct. 22, 20211 Year
12.EMI Test Software EZ-EMCSHURPLEN/AN/AN/AN/A
13.RF Test Control SystemYIHENGYH30002017430Oct. 22, 20211 Year
14.Power SensorDAERRPR3006W15I00041SN045Oct. 22, 20211 Year
15.Power SensorDAERRPR3006W15I00041SN046Oct. 22, 20211 Year
16.MXA Spectrum AnalysisKEYSIGHTN9020AMY53280032Oct. 22, 20211 Year
17.MXG RF Vector Signal GeneratorAgilentN5182AMY48180656Oct. 22, 20211 Year
18.Signal GeneratorAgilentE4421BMY41000743Oct. 22, 20211 Year
19.DC Power SupplyIVYTECHIV36051804D360510Oct. 22, 20211 Year
20.Constant Temperature Humidity ChamberZHONGJIANZJ-KHWS80 BN/AOct. 22, 20211 Year

1.8. Measurement Uncertainty

Radiation Uncertainty: Ur = 3.9 dB (Horizontal), Ur = 3.8 dB (Vertical)

Conduction Uncertainty: Uc = 3.4 dB

1.9. Description of Test Facility

The test facility is recognized, certified, or accredited by the following organizations:

FCC-Registration No.: 184111
Shenzhen Anbotek Compliance Laboratory Limited, EMC Laboratory has been registered and fully described in a report filed with the (FCC) Federal Communications Commission. The acceptance letter from the FCC is maintained in our files. Registration No. 184111.

ISED-Registration No.: 8058A
Shenzhen Anbotek Compliance Laboratory Limited, EMC Laboratory has been registered and fully described in a report filed with the (ISED) Innovation, Science and Economic Development Canada. The acceptance letter from the ISED is maintained in our files. Registration 8058A.

Test Location

Shenzhen Anbotek Compliance Laboratory Limited. 1/F, Building D, Sogood Science and Technology Park, Sanwei community, Hangcheng Street, Bao'an District, Shenzhen, Guangdong, China.518102

3. Conducted Emission Test

3.1. Test Standard and Limit

Test StandardFrequencyMaximum RF Line Voltage (dBuV)
Quasi-peak LevelAverage Level
FCC Part15 Section 15.207150kHz~500kHz66~56*56~46*
500kHz~5MHz5646
5MHz~30MHz6050

Remark: (1) *Decreasing linearly with logarithm of the frequency. (2) The lower limit shall apply at the transition frequency.

3.2. Test Setup

Diagram: Conducted Emission Test Setup. Depicts a shielded room with the EUT and an adapter connected to a Line Impedance Stabilization Network (LISN) via AC power. A test receiver is connected to the LISN.

3.3. Test Procedure

The EUT system 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 line 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 FCC ANSI C63.10: 2020 on Conducted Emission Measurement.

The bandwidth of test receiver (ESCI) set at 9kHz.

The frequency range from 150kHz to 30MHz is checked.

3.4. Test Data

During the test, pre-scan all modes, only the worst case is recorded in the report. Please refer to the following pages.

(Data tables and graphs are presented on subsequent pages, showing conducted emission levels for Live Line and Neutral Line.)

4. Radiation Spurious Emission and Band Edge

4.1. Test Standard and Limit

Test StandardFrequency (MHz)Field strength (microvolt/meter)Limit (dBuV/m)RemarkMeasurement distance (m)
FCC Part15 C Section 15.209 and 15.2050.009MHz~0.490MHz2400/F(kHz)-Quasi-peak300
0.490MHz-1.705MHz2000/F(kHz)-Quasi-peak30
1.705MHz-30MHz3040.0Quasi-peak30
30MHz~88MHz10040.0Quasi-peak3
88MHz~216MHz15043.5Quasi-peak3
216MHz~960MHz20046.0Quasi-peak3
960MHz~1000MHz50054.0Average3
Above 1000MHz50054.0Average3
-74.0Peak3

Remark: (1)The lower limit shall apply at the transition frequency. (2) 15.35(b), Unless otherwise specified, the limit on peak radio frequency emissions is 20dB above the maximum permitted average emission limit applicable to the equipment under test. This peak limit applies to the total peak emission level radiated by the device.

4.2. Test Setup

Diagram 1 (Below 30MHz): Radiated Emission Test Setup. Shows the EUT and system simulator on a table. An antenna is positioned 3 meters away, connected to a spectrum analyzer/receiver. The EUT is 0.8m above the ground plane.

Diagram 2 (30MHz to 1GHz): Radiated Emission Test Setup. Shows the EUT and system simulator on a table. An antenna is positioned 3 meters away, connected to a spectrum analyzer/receiver. The EUT is 0.8m above the ground plane.

Diagram 3 (Above 1GHz): Radiated Emission Test Setup. Shows the EUT and system simulator on a table. An antenna is positioned 3 meters away, connected to a spectrum analyzer/receiver. The antenna feed point is 1-4m high, and the EUT is 1.5m above the ground plane.

4.3. Test Procedure

For below 1GHz: The EUT is placed on a turntable, which is 0.8m above the ground plane.

For above 1GHz: The EUT is placed on a turntable, which is 1.5m above the ground plane. The turn table can rotate 360 degrees to determine the position of the maximum emission level. The EUT is set 3 meters away from the receiving antenna which is mounted on an antenna tower. The antenna can be moved up and down from 1 to 4 meters to find out the maximum emission level. Rotated the EUT through three orthogonal axes to determine the maximum emissions, both horizontal and vertical polarization of the antenna are set on test. The EUT is tested in 9*6*6 Chamber. The device is evaluated in xyz orientation.

For the radiated emission test above 1GHz:

(Detailed test results in tables and graphs are presented on subsequent pages.)

5. Maximum Peak Output Power Test

5.1. Test Standard and Limit

Test StandardFCC Part15 C Section 15.247 (b)(1)
Test LimitAccording to §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.

5.2. Test Setup

Diagram: EUT connected to Spectrum Analyzer.

5.3. Test Procedure

  1. The EUT was directly connected to the spectrum analyzer and antenna output port as show in the block diagram.
  2. Spectrum Setting: RBW > the 20 dB bandwidth of the emission being measured, Span = approximately 5 times the 20 dB bandwidth, centered on a hopping channel, VBW >= RBW, Sweep = auto, Detector function = peak, Trace = max hold.

5.4. Test Data

Pass. Please refer to Appendix C of the Appendix Test Data.

6. 20DB Occupy Bandwidth Test

6.1. Test Standard

Test StandardFCC Part15 C Section 15.247 (a)(1)

6.2. Test Setup

Diagram: EUT connected to Spectrum Analyzer.

6.3. Test Procedure

  1. Span= approximately 2 to 3 times the 20dB bandwidth, centered on a hopping channel.
  2. Set the RBW >1% of the 20 dB bandwidth.
  3. Set the VBW >= RBW.
  4. Sweep time = auto couple.
  5. Detector function = peak.
  6. Trace mode = max hold.
  7. Allow trace to fully stabilize.

6.4. Test Data

Pass. Please refer to Appendix A of the Appendix Test Data.

7. Carrier Frequency Separation Test

7.1. Test Standard and Limit

Test StandardFCC Part15 C Section 15.247 (a)(1)
Test Limit>25KHz or >two-thirds of the 20 dB bandwidth

7.2. Test Setup

Diagram: EUT connected to Spectrum Analyzer.

7.3. Test Procedure

The EUT must have its hopping function enabled. Using the following spectrum analyzer settings:

  1. Span= Wide enough to capture the peaks of two adjacent channels
  2. Set the RBW =approximately 30% of the channel spacing.
  3. Set the VBW >= RBW.
  4. Sweep time = auto couple.
  5. Detector function = peak.
  6. Trace mode = max hold.
  7. Allow trace to fully stabilize.

7.4. Test Data

Pass. Please refer to Appendix D of the Appendix Test Data.

8. Number of Hopping Channel Test

8.1. Test Standard and Limit

Test StandardFCC Part15 C Section 15.247 (a)(1)
Test Limit>15 channels

8.2. Test Setup

Diagram: EUT connected to Spectrum Analyzer.

8.3. Test Procedure

The EUT must have its hopping function enabled. Using the following spectrum analyzer setting:

  1. Span= the frequency band of operation
  2. Set the RBW = less than 30% of the channel spacing or the 20 dB bandwidth, whichever is smaller.
  3. Set the VBW >= RBW.
  4. Sweep time = auto couple.
  5. Detector function = peak.
  6. Trace mode = max hold.
  7. Allow trace to fully stabilize.

8.4. Test Data

Pass. Please refer to Appendix F of the Appendix Test Data.

9. Dwell Time Test

9.1. Test Standard and Limit

Test StandardFCC Part15 C Section 15.247 (a)(1)
Test Limit0.4 sec.

9.2. Test Setup

Diagram: EUT connected to Spectrum Analyzer.

9.3. Test Procedure

The EUT must have its hopping function enabled. Use the following spectrum analyzer settings:

  1. Span= zero span, centered on a hopping channel.
  2. Set the RBW = 1 MHz.
  3. Set the VBW = 1 MHz.
  4. Sweep time = as necessary to capture the entire dwell time per hopping channel.
  5. Detector function = peak.
  6. Trace mode = max hold.
  7. Allow trace to fully stabilize.

9.4. Test Data

Pass. Please refer to Appendix E of the Appendix Test Data.

10. 100kHz Bandwidth of Frequency Band Edge Requirement

10.1. Test Standard and Limit

Test StandardFCC Part15 C Section 15.247 (d)
Test LimitIn any 100 kHz bandwidth outside the frequency bands in which the spread spectrum intentional radiator in operating, the radio frequency power that is produced by the intentional radiator shall be at least 20dB below that in the 100kHz bandwidth within the band that contains the highest level of the desired power. In addition, radiated emissions which fall in the restricted bands, as defined in §15.205(a), must also comply with the radiated emission limits specified in 15.209(a).

10.2. Test Setup

Diagram: EUT connected to Spectrum Analyzer.

10.3. Test Procedure

The EUT must have its hopping/Non-hopping function enabled. Using the following spectrum analyzer setting:

  1. Set the RBW = 100kHz.
  2. Set the VBW = 300kHz.
  3. Sweep time = auto couple.
  4. Detector function = peak.
  5. Trace mode = max hold.
  6. Allow trace to fully stabilize.

10.4. Test Data

Pass. Please refer to Appendix G & Appendix H of the Appendix Test Data.

11. Antenna Requirement

11.1. Test Standard and Requirement

Test StandardFCC Part15 Section 15.203 /247(c)
Requirement1) 15.203 requirement: 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. The use of a permanently attached antenna or of an antenna that uses a unique coupling to the intentional radiator, the manufacturer may design the unit so that a broken antenna can be replaced by the user, but the use of a standard antenna jack or electrical connector is prohibited.
2) 15.247(c)(1)(i) requirement: Systems operating in the 2400-2483.5 MHz band that is used exclusively for fixed. Point-to-point operations may employ transmitting antennas with directional gain greater than 6dBi provided the maximum conducted output power of the intentional radiator is reduced by 1 dB for every 3 dB that the directional gain of the antenna exceeds 6 dBi.

11.2. Antenna Connected Construction

The antenna is PCB Antenna which permanently attached, and the best case gain of the antenna is 2dBi. It complies with the standard requirement.

Appendices

Appendix I -- TEST SETUP PHOTOGRAPH: Photographs showing the conducted emission measurement setup and the radiation emission test setup.

Appendix II -- EXTERNAL PHOTOGRAPH: Photographs showing the external appearance of the portable speaker, including its dimensions and ports.

Appendix III -- INTERNAL PHOTOGRAPH: Close-up photographs of the internal circuit board of the portable speaker, detailing component placement and connections.

Appendix IV – Appendix Test Data: Contains supplementary test data.

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