2ANIV-WT-UFlash Trigger

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FCC ID: 2ANIV-WT-U RF Exposure Evaluation REQUIREMENT KDB447498 D01 General RF Exposure Guidance v06, Clause 4.3.1(a) [(max. power of channel, including tune-up tolerance, mW) / (min. test separation distance, mm)] · [√f(GHz)] ≤ 3.0 Where -f(GHz) is the RF channel transmit frequency in GHz -Power and distance are rounded to the nearest mW and mm before calculation -The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm, and for transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5 mm, a distance of 5 mm according to 4.1 f) is applied to determine SAR test exclusion. . TEST RESULT Passed Not Applicable Channel Conducted Average Power (dBm) Maximum Tune-up (dBm) Calculating data Limit Result CH L 2.99 3.50 0.6940 3.0 Pass CH M 3.24 3.50 0.7006 3.0 Pass CH H 3.23 3.50 0.7044 3.0 Pass Note: 1) The maximum antenna gain is 0dBi 2) The exposure evaluation safety distance is 0mm.

Page: 1 of 34 TEST REPORT Report No. ...................................... : CHTEW21040129 Report Verification: Project No.................................： SHT2104034801EW FCC ID ............................................. : 2ANIV-WT-U Applicant’s name ........................... : Shenzhen Neewer Technology Co., Ltd Address ............................................. : ROOM 1901-1903, Block A, LU SHAN BUILDING NO.3023 CHUNFENG RD LUO HU DISTRICT, SHENZHEN, 518001, CHINA Test item description .................... : Flash Trigger Trade Mark ....................................... : NEEWER Model/Type reference ....................... : WT-U Listed Model(s) ................................. : - Standard ......................................... : FCC CFR Title 47 Part 15 Subpart C Section 15.247 Date of receipt of test sample..........: Apr.14, 2021 Date of testing.............................: Apr.14, 2021- Apr.22, 2021 Date of issue...............................: Apr.23, 2021 Result .................. ........................: PASS Compiled by ( Position+Printed name+Signature): File administrator Echo Wei Supervised by (Position+Printed name+Signature): Project Engineer Kiki Kong Approved by (Position+Printed name+Signature): RF Manager Hans Hu 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 Shenzhen Huatongwei International Inspection Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen Huatongwei International Inspection Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen Huatongwei International Inspection Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. The test report merely correspond to the test sample. Report No.: CHTEW21040129 Page: 2 of 34 Issued: 2021-04-23 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V03 (2021-01) Contents 1. TEST S T A N D A R D S AND R E P O R T V E R S I O N 3 1.1. Test Standards 3 1.2. Report version 3 2. TEST DESCRIPTION 4 3. SUMMARY 5 3.1. Client Information 5 3.2. Product Description 5 3.3. Radio Specification Description 5 3.4. Testing Laboratory Information 6 4. TEST CONFIGURATION 7 4.1. Test frequency list 7 4.2. Test mode 7 4.3. Support unit used in test configuration and system 7 4.4. Testing environmental condition 8 4.5. Measurement uncertainty 8 4.6. Equipment Used during the Test 9 5. TEST CONDITIONS AND RESULTS 11 5.1. Antenna Requirement 11 5.2. AC Conducted Emission 12 5.3. Peak Output Power 13 5.4. Power Spectral Density 14 5.5. 6dB bandwidth 15 5.6. 99% Occupied Bandwidth 16 5.7. Duty Cycle 17 5.8. Conducted Band edge and Spurious Emission 18 5.9. Radiated Band edge Emission 20 5.10. Radiated Spurious Emission 22 6. TEST SETUP PHOTOS 27 7. EXTERANAL AND INTERNAL PHOTOS 29 8. APPENDIX REPORT 34 Report No.: CHTEW21040129 Page: 3 of 34 Issued: 2021-04-23 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V03 (2021-01) 1. TEST STANDARDS AND REPORT VERSION 1.1. Test Standards The tests were performed according to 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 1.2. Report version Revision No. Date of issue Description N/A 2021-04-23 Original Report No.: CHTEW21040129 Page: 4 of 34 Issued: 2021-04-23 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V03 (2021-01) 2. TEST DESCRIPTION Report clause Test Items Standard Requirement Result 5.1 Antenna Requirement 15.203/15.247(c) PASS 5.2 AC Conducted Emission 15.207 N/A 5.3 Peak Output Power 15.247(b)(3) PASS 5.4 Power Spectral Density 15.247(e) PASS 5.5 6dB Bandwidth 15.247(a)(2) PASS 5.6 99% Occupied Bandwidth - PASS *1 5.7 Duty cycle - PASS *1 5.8 Conducted Band Edge and Spurious Emission 15.247(d)/15.205 PASS 5.9 Radiated Band Edge Emission 15.205/15.209 PASS 5.10 Radiated Spurious Emission 15.247(d)/15.205/15.209 PASS Note: ‒ The measurement uncertainty is not included in the test result. ‒ *1: No requirement on standard, only report these test data. Report No.: CHTEW21040129 Page: 5 of 34 Issued: 2021-04-23 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V03 (2021-01) 3. SUMMARY 3.1. Client Information Applicant: Shenzhen Neewer Technology Co., Ltd Address: ROOM 1901-1903, Block A, LU SHAN BUILDING NO.3023 CHUNFENG RD LUO HU DISTRICT, SHENZHEN, 518001, CHINA Manufacturer: Shenzhen Neewer Technology Co., Ltd Address: ROOM 1901-1903, Block A, LU SHAN BUILDING NO.3023 CHUNFENG RD LUO HU DISTRICT, SHENZHEN, 518001, CHINA 3.2. Product Description Name of EUT: Flash Trigger Trade Mark: NEEWER Model No.: WT-U Listed Model(s): - Power supply: DC 12V Hardware version: V1.3 Software version: V2.1 3.3. Radio Specification Description Modulation: GFSK Operation frequency: 2402.5MHz~2475MHz Channel number: 15 Antenna type: PCB Antenna Antenna gain: 0dBi Report No.: CHTEW21040129 Page: 6 of 34 Issued: 2021-04-23 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V03 (2021-01) 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 R…

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Project No.: SHT2104034801EW Radio Specification: GFSK Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 1 of 14 APPENDIX REPORT Project No. SHT2104034801EW Radio Specification GFSK Test sample No. YPHT21040348001 Model No. WT-U Start test date 2021-04-21 Finish date 2021-04-21 Temperature 24.4°C Humidity 53% Test Engineer Hailey Chen Auditor Appendix clause Test item Result A Peak Output Power PASS B Power Spectral Density PASS C 6 dB Bandwidth PASS D 99% Occupied Bandwidth PASS E Duty cycle PASS F Band edge and Spurious Emissions (conducted) PASS Project No.: SHT2104034801EW Radio Specification: GFSK Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 2 of 14 Appendix A：Peak Output Power Type Channel Output power (dBm) Average Output power (dBm) Limit (dBm) Result GFSK CH L 3.00 2.99 ≤ 30.00 Pass CH M 3.26 3.24 CH H 3.25 3.23 Project No.: SHT2104034801EW Radio Specification: GFSK Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 3 of 14 CH L Date: 21.APR.2021 15:04:29 CH M Date: 21.APR.2021 15:01:50 CH H Date: 21.APR.2021 14:56:07 Project No.: SHT2104034801EW Radio Specification: GFSK Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 4 of 14 Appendix B：Power Spectral Density Type Channel Power Spectral Density(dBm/3KHz) Limit (dBm/3KHz) Result GFSK CH L -4.99 ≤8.00 Pass CH M -4.76 CH H -4.74 Project No.: SHT2104034801EW Radio Specification: GFSK Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 5 of 14 CH L Date: 21.APR.2021 15:04:44 CH M Date: 21.APR.2021 15:02:05 CH H Date: 21.APR.2021 14:57:07 Project No.: SHT2104034801EW Radio Specification: GFSK Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 6 of 14 Appendix C：6dB bandwidth Type Channel 6dB Bandwidth(kHz) Limit (kHz) Result GFSK CH L 562.00 ≥500 Pass CH M 568.00 CH H 568.00 Project No.: SHT2104034801EW Radio Specification: GFSK Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 7 of 14 CH L Date: 21.APR.2021 15:04:12 CH M Date: 21.APR.2021 15:01:32 CH H Date: 21.APR.2021 14:55:44 Project No.: SHT2104034801EW Radio Specification: GFSK Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 8 of 14 Appendix D：99% Occupied Bandwidth Type Channel 99% Occupied Bandwidth(MHz) Limit (kHz) Result GFSK CH L 1.06 - Pass CH M 1.05 CH H 1.06 Project No.: SHT2104034801EW Radio Specification: GFSK Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 9 of 14 CH L Date: 21.APR.2021 15:04:20 CH M Date: 21.APR.2021 15:01:41 CH H Date: 21.APR.2021 14:55:58 Project No.: SHT2104034801EW Radio Specification: GFSK Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 10 of 14 Appendix E：Duty cycle Test Frequency （MHz） T on time for single burst (ms) T period (ms) Duty cycle 1/T on time (kHz) 2448.5 0.22 0.34 64.7% 4.55 Date: 21.APR.2021 15:03:13 Project No.: SHT2104034801EW Radio Specification: GFSK Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 11 of 14 Appendix F：Band edge and Spurious Emissions (conducted) Test Item: Band edge CH L Date: 21.APR.2021 15:04:55 CH H Date: 21.APR.2021 14:57:17 Project No.: SHT2104034801EW Radio Specification: GFSK Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 12 of 14 Test Item: SE CH L Reference level Date: 21.APR.2021 15:05:01 CH L 30MHz~1000MHz Date: 21.APR.2021 15:05:18 CH L 1GHz~26GHz Date: 21.APR.2021 15:05:34 Project No.: SHT2104034801EW Radio Specification: GFSK Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 13 of 14 CH M Reference level Date: 21.APR.2021 15:02:12 CH M 30MHz~1000MHz Date: 21.APR.2021 15:02:28 CH M 1GHz~26GHz Date: 21.APR.2021 15:02:44 Project No.: SHT2104034801EW Radio Specification: GFSK Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 14 of 14 CH H Reference level Date: 21.APR.2021 14:57:26 CH H 30MHz~1000MHz Date: 21.APR.2021 14:59:10 CH H 1GHz~26GHz Date: 21.APR.2021 14:59:26 --------End of Report--------

TEST SETUP PHOTOS Radiated Emission