Shenzhen Huatongwei International Inspection Co., Ltd. Test Report
For WiFi-2.4GHz Band
Report No.: CHTEW22060009
Project No.: SHT2205032403EW
FCC ID: 2ASWWCORNP60
Applicant: XINCHUANGXIN INTERNATIONAL CO.,LTD
Address: ROOM 605 6/F, FA YUEN COMMERCIAL BUILDING, 75-77 FA YUEN STREET MONGKOK KL
Product Name: Smart Phone
Trade Mark: CORN
Model No.: P60
Standard: FCC CFR Title 47 Part 15 Subpart C Section 15.247
Date of receipt of test sample: May.20, 2022
Date of testing: May.21, 2022-Jun.01, 2022
Date of issue: Jun.02, 2022
Result: PASS
Testing Laboratory Name: Shenzhen Huatongwei International Inspection Co., Ltd.
Address: 1/F, Bldg 3, Hongfa Hi-tech Industrial Park, Genyu Road, Tianliao, Gongming, Shenzhen, China
1. Test Standards and Report Version
The tests were performed according to the following standards:
- FCC Rules Part 15.247: Frequency Hopping, Direct Spread Spectrum and Hybrid Systems that are in operation within the bands of 902-928 MHz, 2400-2483.5 MHz, and 5725-5850 MHz
- ANSI C63.10:2013: American National Standard for Testing Unlicensed Wireless Devices
- KDB 558074 D01 15.247 Meas Guidance v05r02: Guidance for Compliance Measurements on Digital Transmission System, Frequency Hopping Spread Spectrum System, and Hybrid System Devices Operating under Section 15.247 of The FCC Rules
Report Version: Original (Date of issue: 2022-06-02)
2. Test Description
Report Clause | Test Items | Standard Requirement | Result | Test Engineer |
---|---|---|---|---|
5.1 | Antenna Requirement | 15.203/15.247(c) | PASS | Xiaoqin Li |
5.2 | AC Conducted Emission | 15.207 | PASS | Junman Wang |
5.3 | Peak Output Power | 15.247(b)(3) | PASS | Xiaoqin Li |
5.4 | Power Spectral Density | 15.247(e) | PASS | Xiaoqin Li |
5.5 | 6dB Bandwidth | 15.247(a)(2) | PASS | Xiaoqin Li |
5.6 | 99% Occupied Bandwidth | - | PASS*1 | Xiaoqin Li |
5.7 | Duty cycle | - | PASS*1 | Xiaoqin Li |
5.8 | Conducted Band Edge and Spurious Emission | 15.247(d)/15.205 | PASS | Xiaoqin Li |
5.9 | Radiated Band Edge Emission | 15.205/15.209 | PASS | Xiaoqin Li |
5.10 | Radiated Spurious Emission | 15.247(d)/15.205/15.209 | PASS | Hongbin Zhong |
Note: The measurement uncertainty is not included in the test result. *1: No requirement on standard, only report these test data.
3. Summary
3.1. Client Information
Applicant: XINCHUANGXIN INTERNATIONAL CO.,LTD
Address: ROOM 605 6/F, FA YUEN COMMERCIAL BUILDING, 75-77 FA YUEN STREET MONGKOK KL
Manufacturer: Shenzhen Chiteng Technology Co.,LTD
Address: Second Floor,Area A, Building 4, Huiye Technology Workshop, Guanguang Road, Tangjia Community, Gongming Street, Guangming New District, Shenzhen, Guangdong
3.2. Product Description
Main unit information:
- Product Name: Smart Phone
- Trade Mark: CORN
- Model No.: P60
- Power supply: DC 3.8V from Battery
- Hardware version: J527B-31EMB_D3_AF_V1.1
- Software version: CORN_P60_S62301A01_V01_20220531
Accessory unit information:
- Adapter information: Model: CS001, Input: 100-240Va.c., 50/60Hz 0.15A, Output: 5Vd.c., 1A
3.3. Radio Specification Description
- Support type: 802.11b, 802.11g, 802.11n
- Support bandwidth: 20MHz, 40MHz
- Modulation: 802.11b: DBPSK, DQPSK, BPSK, QPSK; 802.11g/n: BPSK, QPSK, 16QAM, 64QAM
- Operation frequency: 2412MHz~2462MHz
- Channel number: 11
- Channel separation: 5MHz
- Antenna technology: SISO
- Antenna type: Internal
- Antenna gain: 1.1dBi
3.4. Testing Laboratory Information
Laboratory Name: Shenzhen Huatongwei International Inspection Co., Ltd.
Laboratory Location: 1/F, Bldg 3, Hongfa Hi-tech Industrial Park, Genyu Road, Tianliao, Gongming, Shenzhen, China
Connect information: Phone: 86-755-26715499, E-mail: cs@szhtw.com.cn, Website: http://www.szhtw.com.cn
Qualifications: FCC (Accreditation Number: 762235)
4. Test Configuration
4.1. Test frequency list
For 802.11b/g/n(HT20), the following channels were tested:
Channel | Frequency (MHz) |
---|---|
01 | 2412 |
02 | 2417 |
06 | 2437 |
10 | 2457 |
11 | 2462 |
4.2. Descriptions of Test mode
Preliminary tests used different data rates; final tests considered modulation and worse data rates:
Modulation | Data rate |
---|---|
802.11b | 1Mbps |
802.11g | 6Mbps |
802.11n(HT20) | MCS0 |
4.3. Test mode
For RF test items, the EUT was configured for continuous transmit. For AC power line conducted emissions, the EUT was connected to a WLAN AP. For Radiated spurious emissions, the EUT was tested in continuous transmit mode, with data recorded for the worst-case orthogonal axis (X-axis).
4.4. Test sample information
Details on test items and sample numbers:
Test item | HTW sample no. |
---|---|
RF Conducted test items | Refer to appendix report |
RF Radiated test items | YPHT22050324007 |
EMI test items | YPHT22050324007 |
RF Conducted test items include: Peak Output Power, Power Spectral Density, 6dB Bandwidth, 99% Occupied Bandwidth, Duty cycle, Conducted Band Edge and Spurious Emission. RF Radiated test items include: Radiated Band Edge Emission, Radiated Spurious Emission. EMI test items include: AC Conducted Emission.
4.5. Support unit used in test configuration and system
The EUT was operated with peripherals and configurations designed to maximize emission characteristics. No support units were used in this test configuration.
4.6. Testing environmental condition
Type | Requirement | Actual |
---|---|---|
Temperature: | 15~35°C | 25°C |
Relative Humidity: | 25~75% | 50% |
Air Pressure: | 860~1060mbar | 1000mbar |
4.7. Statement of the measurement uncertainty
Measurement uncertainties for various test items are provided:
Test Item | Measurement Uncertainty |
---|---|
AC Conducted Emission (150kHz~30MHz) | 3.00 dB |
Radiated Emission (30MHz~1000MHz) | 4.36 dB |
Radiated Emissions (1GHz~25GHz) | 5.10 dB |
Peak Output Power | 0.77dB |
Power Spectral Density | 0.77dB |
Conducted Spurious Emission | 0.77dB |
6dB Bandwidth | 70Hz for <1GHz, 130Hz for >1GHz |
This uncertainty is expressed at approximately the 95% confidence level using a coverage factor of k=1.96.
4.8. Equipment Used during the Test
Detailed lists of equipment used for Conducted Emission, Radiated emission (6th test site), and Radiated emission (7th test site) are available in the original report. This includes test equipment, manufacturer, model numbers, serial numbers, and calibration dates.
5. Test Conditions and Results
5.1. Antenna Requirement
Requirement:
- FCC CFR Title 47 Part 15 Subpart C Section 15.203: The intentional radiator must be designed to ensure no antenna other than that furnished by the responsible party is used. Use of a permanently attached antenna or unique coupling is permitted, but standard antenna jacks are prohibited.
- FCC CFR Title 47 Part 15 Subpart C Section 15.247(c)(1)(i): For fixed, point-to-point operations in the 2400-2483.5 MHz band, directional gain > 6 dBi requires output power reduction by 1 dB for every 3 dB gain exceeding 6 dBi.
Test Result: Passed
The antenna is an internal type with a directional gain less than 6 dBi.
5.2. AC Conducted Emission
Limit: FCC CFR Title 47 Part 15 Subpart C Section 15.207
Frequency range (MHz) | Quasi-peak Limit (dBuV) | Average Limit (dBuV) |
---|---|---|
0.15-0.5 | 66 to 56* | 56 to 46* |
0.5-5 | 56 | 46 |
5-30 | 60 | 50 |
* Decreases with the logarithm of the frequency.
Test Configuration: The test setup involved a Shielded Room, EUT, AE (Associated Equipment), LISN (Line Impedance Stabilization Network), and a Test Receiver, arranged according to ANSI C63.10 requirements.
Test Procedure: The EUT was placed on a platform 80 cm above the conducting ground plane. It was connected to the main power via a LISN. Emissions were investigated from 0.15MHz to 30MHz using a 9 kHz receiver bandwidth. Cable manipulation was used to maximize emissions.
Test Mode: Refer to clause 4.2.
Test Result: Passed
5.3. Peak Output Power
Limit: FCC CFR Title 47 Part 15 Subpart C Section 15.247 (b)(3): 30dBm
Test Configuration: The test involved a Power Meter, EUT, and a Non-Conducted Table setup.
Test Procedure: The EUT was tested using a broadband peak RF power meter. The power meter's video bandwidth was set to be greater than or equal to the DTS bandwidth, and a fast-responding diode detector was used. Measurement data was recorded.
Test Mode: Refer to clause 4.2.
Test Result: Passed
Test Data: Please refer to appendix A on the appendix report.
5.4. Power Spectral Density
Limit: FCC CFR Title 47 Part 15 Subpart C Section 15.247 (e): Power spectral density shall not be greater than 8dBm in any 3 kHz band.
Test Configuration: The test setup included a Spectrum Analyzer, EUT, and a Non-Conducted Table.
Test Procedure: The spectrum analyzer was configured with center frequency at the DTS channel center frequency, span at 1.5 times the DTS bandwidth, RBW = 3 kHz to 100 kHz, VBW ≥ 3 × RBW, and detector set to peak. The EUT was placed in continuous transmit mode, and the peak marker function was used to find the maximum amplitude level.
Test Mode: Refer to clause 4.2.
Test Result: Passed
Test Data: Please refer to appendix B on the appendix report.
5.5. 6dB Bandwidth
Limit: FCC CFR Title 47 Part 15 Subpart C Section 15.247 (a)(2): Minimum 6 dB bandwidth shall be at least 500 kHz.
Test Configuration: The test setup included a Spectrum Analyzer, EUT, and a Non-Conducted Table.
Test Procedure: The spectrum analyzer was configured with center frequency at the DTS channel center frequency, span at 2 times the DTS bandwidth, RBW = 100 kHz, VBW ≥ 3 × RBW, and detector set to peak. The EUT was placed in continuous transmit mode, and the maximum width of the emission at 6 dB below the maximum level was measured.
Test Mode: Refer to clause 4.2.
Test Result: Passed
Test Data: Please refer to appendix C on the appendix report.
5.6. 99% Occupied Bandwidth
Limit: N/A
Test Configuration: The test setup included a Spectrum Analyzer, EUT, and a Non-Conducted Table.
Test Procedure: The spectrum analyzer was configured with center frequency at the channel center frequency, span ≥ 1.5 x OBW, RBW = 1%~5%OBW, VBW ≥ 3 × RBW, and detector set to peak. The EUT was placed in continuous transmit mode.
Test Mode: Refer to clause 4.2.
Test Result: Passed
Test Data: Please refer to appendix D on the appendix report.
5.7. Duty Cycle
Limit: N/A
Test Configuration: The test setup included a Spectrum Analyzer, EUT, and a Non-Conducted Table.
Test Procedure: The transmitter output was connected to the spectrum analyzer. The EUT was set to maximum power and enabled for continuous transmit. Spectrum analyzer settings included zero span, centered channel frequency, RBW= 1 MHz, VBW ≥ RBW, with sweep adjusted to capture the entire dwell time.
Test Mode: Refer to clause 4.2.
Test Data: Please refer to appendix E on the appendix report.
5.8. Conducted Band edge and Spurious Emission
Limit: FCC CFR Title 47 Part 15 Subpart C Section 15.247 (d): RF power 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.
Test Configuration: The test setup included a Spectrum Analyzer, EUT, and a Non-Conducted Table.
Test Procedure: A reference level was established using the spectrum analyzer. Emission levels were measured across the frequency range, ensuring unwanted emissions outside the authorized band were attenuated by at least 20 dB relative to the maximum in-band peak PSD level.
Test Mode: Refer to clause 4.2.
Test Result: Passed
Test Data: Please refer to appendix F on the appendix report.
5.9. Radiated Band edge Emission
Limit: FCC CFR Title 47 Part 15 Subpart C Section 15.247 (d) and Section 15.209.
Test Configuration: The test setup involved a turntable, EUT, antenna tower, horn antenna, spectrum analyzer, and pre-amplifier. The EUT was placed 1.5m above ground for tests above 1 GHz.
Test Procedure: The EUT was placed on a turntable and rotated 360 degrees. The antenna was scanned from 1m to 4m to find the maximum emission level. Measurements were made for both horizontal and vertical polarization. Spectrum analyzer settings included RBW=100kHz for <1GHz and RBW=1MHz for >1GHz, with appropriate VBW and detector settings.
Test Mode: Refer to clause 4.2.
Test Result: Passed
Note: Level = Reading + Factor; Factor = Antenna Factor + Cable Loss - Preamp Factor. Over Limit = Level - Limit. Average measurement was not performed if peak level was lower than the average limit.
5.10. Radiated Spurious Emission
Limit: FCC CFR Title 47 Part 15 Subpart C Section 15.209
Limits for Radiated Emissions (dBuV/m @3m):
Frequency | Limit (dBuV/m) | Value |
---|---|---|
0.009 MHz ~0.49 MHz | 2400/F(kHz) @300m | Quasi-peak |
0.49 MHz ~ 1.705 MHz | 24000/F(kHz) @30m | Quasi-peak |
1.705 MHz ~30 MHz | 30 @30m | Quasi-peak |
30MHz~88MHz | 40.00 | Quasi-peak |
88MHz~216MHz | 43.50 | Quasi-peak |
216MHz~960MHz | 46.00 | Quasi-peak |
960MHz~1GHz | 54.00 | Quasi-peak |
Above 1GHz | 54.00 (Average), 74.00 (Peak) | Average, Peak |
Test Configuration: Test setups for 9 kHz ~ 30 MHz, 30 MHz ~ 1 GHz, and Above 1 GHz were described using diagrams in the original report.
Test Procedure: The EUT was placed on a turntable (0.8m for <1GHz, 1.5m for >1GHz) and rotated 360 degrees. The receiving antenna was positioned 3 meters away and adjusted in height (1m to 4m) to find maximum readings. Pre-amplifiers and filters were used. Spectrum analyzer settings were applied as per ANSI C63.10, with RBW/VBW adjusted for frequency ranges and measurement types (peak/average).
Test Mode: Refer to clause 4.2.
Test Result: Passed
Summary of results: Emissions were measured across various frequency bands and channels. Detailed data tables for specific frequencies and measurements are provided in the original report appendices.
6. Test Setup Photos
Photographs of the test setups for Radiated Emission and AC Conducted Emission are included in the original report, showing the equipment arrangement in an anechoic chamber and a laboratory environment.
7. External and Internal Photos
Refer to the test report No.: CHTEW22060005 for external and internal photos.
8. Appendix Report
Further details and data are available in the Appendix Report.