2AW5W-C4Dash Cam

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REXING INC. 34 Ludwig St, Little Ferry, NJ, 07643 USA. Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2025/12/3 U.S. Agent Designation REXING INC. acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought (FCC ID: 2AW5W-C4): Name and company of U.S. agent: REXING INC. Physical U.S. address of agent: 34 Ludwig St, Little Ferry, NJ, 07643 USA. FRN of U.S. agent: 0029828688 Email address of U.S. agent: [email protected] REXING INC. acknowledges their obligation to accept service of process on behalf of REXING INC. REXING INC. with the FRN [0029828688] accepts its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(d)(7). The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify the FCC within 30 days via the granting TCB. Sincerely, Signature Yuhe Sun General Manager REXING INC. Signature Yuhe Sun General Manager REXING INC. 48_[mo del] US_Agent_2.911(d)(7) - U, V0 5

FCC ID:2AW5W-C4 External Photos of the EUT FCC ID:2AW5W-C4 FCC ID:2AW5W-C4

Label and Location Size: L: 2.0cm*W: 1.0cm Label and Location FCC ID : 2AW5W-C4

FCC ID:2AW5W-C4 Internal Photos of the EUT ANT FCC ID:2AW5W-C4 FCC ID:2AW5W-C4 FCC ID:2AW5W-C4 FCC ID:2AW5W-C4 FCC ID:2AW5W-C4 FCC ID:2AW5W-C4

Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn RF Exposure MPE Report Reference No. ..................... : FCC ID............................................. : CTA25111400902 2AW5W-C4 Compiled by ( position+printed name+signature) . : File administrators Zoey Cao Supervised by ( position+printed name+signature) . : Project Engineer Ace Chai Approved by ( position+printed name+signature) . : RF Manager Eric Wang Date of issue .................................... : Nov. 20, 2025 Testing Laboratory Name .............. : Shenzhen CTA Testing Technology Co., Ltd. Address............................................ : Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Applicant’s name ............................ : REXING INC. Address............................................ : 34 Ludwig St, Little Ferry, NJ 07643 United States Standard ........................................... : 47CFR §1.1310 47CFR §2.1091 KDB447498 D01 General RF Exposure Guidance v06 Shenzhen CTA Testing Technology Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purpses as long as the Shenzhen CTA Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen CTA Testing Technology 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. Test item description ..................... : Dash Cam Trade Mark ....................................... : REXING Manufacturer .................................... : KA FUNG TECHNOLOGY CO LIMITED Model/Type reference ...................... : C4 Listed Models ................................... : N/A Rating ............................................... : DC 5.0V From external circuit Result ............................................... : PASS Report No.: CTA25111400902 Page 2 of 8 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn T E S T R E P O R T Equipment under Test : Dash Cam Model /Type : C4 Listed Models : N/A Applicant : REXING INC. Address : 34 Ludwig St, Little Ferry, NJ 07643 United States Manufacturer : KA FUNG TECHNOLOGY CO LIMITED Address : Rm.202, C5 Building, Hengfeng Industry Park, No.739 Zhoushi Rd, Hangcheng Subdistrict, Bao’an Dist., Shenzhen, China Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: CTA25111400902 Page 3 of 8 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn Contents 1 TEST STANDARDS ............................................................................................................ 4 2 SUMMARY .......................................................................................................................... 5 2.1 General Remarks ..................................................................................................... 5 2.2 Product Description ................................................................................................. 5 2.3 Special Accessories ................................................................................................. 5 2.4 Modifications ............................................................................................................ 5 3 TEST ENVIRONMENT ....................................................................................................... 6 3.1 Address of the test laboratory .................................................................................. 6 3.2 Test Facility .............................................................................................................. 6 3.3 Statement of the measurement uncertainty ............................................................. 6 4 Test limit .............................................................................................................................. 7 4.1 Requirement ............................................................................................................ 7 4.2 MPE Calculation Method ......................................................................................... 7 4.3 Conducted Power Results ....................................................................................... 7 4.4 Manufacturing tolerance .......................................................................................... 8 4.5 Standalone MPE Result ........................................................................................... 8 4.6 Simultaneous Transmission for MPE Result ........................................................... 8 5 Conclusion ........................................................................................................................... 8 Report No.: CTA25111400902 Page 4 of 8 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn 1 T E S T S T A N D A R D S The tests were performed according to following standards: ANSI C95.1–1999: IEEE Standard…

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1. Antenna Description: Antenna type PIFA antenna Model C4 Frequency range 2400-2500MHz Manufacturer REXING INC. Address 34 Ludwig St, Little Ferry, NJ 07643 United States ANT Peak Gain 1.14 dBi 2. Antenna Photo: Length :34.59mm Width:8.64mm 3. Test Equipment & Conditions 3.1 Test instrument VSWR is tested using Agilent E5071B connected to a hand mechanism, and the status is free space. 3.2 Test environment and methods 4．Antenna Radiation Pattern 5745MHz 5785MHz 5825MHz

Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn TEST REPORT FCC PART 15 SUBPART E 15.407 Report Reference No. ..................... : FCC ID. ........................................... : CTA25111400901 2AW5W-C4 Compiled by ( position+printed name+signature) .. : File administrators Zoey Cao Supervised by ( position+printed name+signature) .. : Project Engineer Ace Chai Approved by ( position+printed name+signature) .. : RF Manager Eric Wang Date of issue ..................................... : Nov. 20, 2025 Testing Laboratory Name .............. : Shenzhen CTA Testing Technology Co., Ltd. Address ............................................ : Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Applicant’s name ............................ : REXING INC. Address ............................................. : 34 Ludwig St, Little Ferry, NJ 07643 United States Test specification .......................... : Standard ........................................... : FCC Part 15 Subpart E 15.407 TRF Originator .................................. : Shenzhen CTA Testing Technology Co., Ltd. Shenzhen CTA Testing Technology Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen CTA Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen CTA Testing Technology 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. Test item description .................... : Dash Cam Trade Mark ....................................... : REXING Manufacturer..................................... : KA FUNG TECHNOLOGY CO LIMITED Model/Type reference ....................... : C4 Listed Models.................................... : N/A Modulation ....................................... : OFDM Frequency ......................................... : From 5745MHz-5825MHz Rating ............................................... : DC 5.0V From external circuit Result ................................................ : PASS Report No.: CTA25111400901 Page 2 of 36 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn T E S T R E P O R T Equipment under Test : Dash Cam Model /Type : C4 Listed Models : N/A Applicant : REXING INC. Address : 34 Ludwig St, Little Ferry, NJ 07643 United States Manufacturer : KA FUNG TECHNOLOGY CO LIMITED Address : Rm.202, C5 Building, Hengfeng Industry Park, No.739 Zhoushi Rd, Hangcheng Subdistrict, Bao’an Dist., Shenzhen, China Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: CTA25111400901 Page 3 of 36 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn Contents 1 TEST STANDARDS ...................................................................................................................................... 4 2 SUMMARY .................................................................................................................................................... 5 2.1 General Remarks .............................................................................................................................. 5 2.2 Product Description ........................................................................................................................... 5 2.3 Equipment Under Test ....................................................................................................................... 5 2.4 Short description of the Equipment under Test (EUT) ...................................................................... 5 2.5 EUT configuration .............................................................................................................................. 6 2.6 EUT operation mode ......................................................................................................................... 6 2.7 Block Diagram of Test Setup ............................................................................................................. 6 2.8 Related Submittal(s) / Grant (s) ......................................................................................................... 6 2.9 Modifications ...................................................................................................................................... 6 3 TEST ENVIRONMENT ................................................................................................................................. 7 3.1 Address of the test laboratory............................................................................................................ 7 3.2 Test Facility ....................................................................................................................................... 7 3.3 Environmental conditions .................................................................................................................. 7 3.4 Test Description ..............................................................................................................…

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1 FCC Appendix RF Test Data for 5GWIFI FCC ID : 2AW5W-C4 Company : REXING INC. EUT : Dash Cam Model Number : C4 Report No. : CTA25111400901 Reviewed By : Eric Wang 2 Appendix A1: Emission Bandwidth Test Result TestMode Antenna Freq(MHz) 26db EBW [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict 11A Ant1 5745 22.520 5733.640 5756.160 --- --- 5785 23.240 5773.440 5796.680 --- --- 5825 22.360 5813.880 5836.240 --- --- 11N20SISO Ant1 5745 23.520 5733.200 5756.720 --- --- 5785 22.800 5773.680 5796.480 --- --- 5825 23.400 5813.360 5836.760 --- --- 11N40SISO Ant1 5755 44.240 5733.400 5777.640 --- --- 5795 45.120 5772.760 5817.880 --- --- 3 Test Graphs 11A_Ant1_5745 11A_Ant1_5785 11A_Ant1_5825 4 11N20SISO_Ant1_5745 11N20SISO_Ant1_5785 5 11N20SISO_Ant1_5825 11N40SISO_Ant1_5755 11N40SISO_Ant1_5795 6 7 Appendix A2: Occupied channel bandwidth Test Result TestMode Antenna Freq(MHz) OCB [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict 11A Ant1 5745 17.267 5736.3814 5753.6484 --- --- 5785 17.304 5776.3687 5793.6727 --- --- 5825 17.321 5816.3897 5833.7107 --- --- 11N20SISO Ant1 5745 18.357 5735.8306 5754.1876 --- --- 5785 18.372 5775.8538 5794.2258 --- --- 5825 18.329 5815.8903 5834.2193 --- --- 11N40SISO Ant1 5755 36.692 5736.7290 5773.4210 --- --- 5795 36.764 5776.7447 5813.5087 --- --- 8 Test Graphs 11A_Ant1_5745 11A_Ant1_5785 11A_Ant1_5825 9 11N20SISO_Ant1_5745 11N20SISO_Ant1_5785 10 11N20SISO_Ant1_5825 11N40SISO_Ant1_5755 11N40SISO_Ant1_5795 11 12 Appendix A3: Min emission bandwidth Test Result B4 TestMode Antenna Freq(MHz) 6db EBW [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict 11A Ant1 5745 16.320 5736.840 5753.160 0.5 PASS 5785 16.320 5776.840 5793.160 0.5 PASS 5825 16.320 5816.840 5833.160 0.5 PASS 11N20SISO Ant1 5745 17.160 5736.240 5753.400 0.5 PASS 5785 17.520 5776.240 5793.760 0.5 PASS 5825 17.560 5816.240 5833.800 0.5 PASS 11N40SISO Ant1 5755 36.320 5736.840 5773.160 0.5 PASS 5795 36.320 5776.840 5813.160 0.5 PASS 13 Test Graphs B4 11A_Ant1_5745 11A_Ant1_5785 11A_Ant1_5825 14 11N20SISO_Ant1_5745 11N20SISO_Ant1_5785 15 11N20SISO_Ant1_5825 11N40SISO_Ant1_5755 11N40SISO_Ant1_5795 16 17 Appendix B: Duty Cycle Test Result TestMode Antenna Freq(MHz) Transmission Duration [ms] Transmission Period [ms] Duty Cycle [%] Duty factor(dB) Limit Verdict 11A Ant1 5745 0.14 0.19 73.68 1.33 --- --- 5785 0.15 0.19 78.95 1.03 --- --- 5825 0.14 0.19 73.68 1.33 --- --- 11N20SISO Ant1 5745 0.18 0.23 78.26 1.06 --- --- 5785 0.18 0.23 78.26 1.06 --- --- 5825 0.18 0.23 78.26 1.06 --- --- 11N40SISO Ant1 5755 0.18 0.23 78.26 1.06 --- --- 5795 0.18 0.23 78.26 1.06 --- --- 18 Test Graphs 11A_Ant1_5745 11A_Ant1_5785 11A_Ant1_5825 19 11N20SISO_Ant1_5745 11N20SISO_Ant1_5785 20 11N20SISO_Ant1_5825 11N40SISO_Ant1_5755 11N40SISO_Ant1_5795 21 22 Appendix C: Maximum conducted output power Test Result Channel Power Test Mode Antenna Freq(MHz) Channel Power [dBm] Duty Cycle [%] DC Factor [dBm] Result [dBm] Limit [dBm] Verdict 11A Ant1 5745 10.67 73.68 1.33 12.00 ≤30.00 PASS 5785 10.19 78.95 1.03 11.22 ≤30.00 PASS 5825 10.03 73.68 1.33 11.36 ≤30.00 PASS 11N20SISO Ant1 5745 10.77 78.26 1.06 11.83 ≤30.00 PASS 5785 10.34 78.26 1.06 11.40 ≤30.00 PASS 5825 10.22 78.26 1.06 11.28 ≤30.00 PASS 11N40SISO Ant1 5755 10.93 78.26 1.06 11.99 ≤30.00 PASS 5795 10.54 78.26 1.06 11.60 ≤30.00 PASS 23 Appendix D: Maximum power spectral density Test Result TestMode Antenna Freq(MHz) Result [dBm/300KHz ] RBW Factor (dB) Duty factor (dB) Result [dBm/500KHz] Limit [dBm/500KΗz) Verdict 11A Ant1 5745 -5.251 2.22 1.33 -1.70 ≤30.00 PASS 5785 -5.275 2.22 1.03 -2.03 ≤30.00 PASS 5825 -5.233 2.22 1.33 -1.68 ≤30.00 PASS 11N20SISO Ant1 5745 -4.834 2.22 1.06 -1.55 ≤30.00 PASS 5785 -5.229 2.22 1.06 -1.95 ≤30.00 PASS 5825 -5.249 2.22 1.06 -1.97 ≤30.00 PASS 11N40SISO Ant1 5755 -7.810 2.22 1.06 -4.53 ≤30.00 PASS 5795 -8.014 2.22 1.06 -4.73 ≤30.00 PASS Note:1.The Result and Limit Unit is dBm/500 kHz in the band 5.725−5.85 GHz. P.S.D(dBm/500KHz)= P.S.D(dBm/300KHz)+10 log (500 kHz/300KHz) +Duty factor. 2. RBW factor= 10 log (500 KHz /300 KHz) = 2.22 dB 3. EIRP P.S.D(dBm/MHz)= Result P.S.D(dBm/MHz)+ Duty factor+Antenna Gain 4. Note:Offset=cable loss 24 Test Graphs 11A_Ant1_5745 11A_Ant1_5785 11A_Ant1_5825 25 11N20SISO_Ant1_5745 11N20SISO_Ant1_5785 26 11N20SISO_Ant1_5825 11N40SISO_Ant1_5755 11N40SISO_Ant1_5795 27 28 Appendix E: Band edge measurements Test Result B4 TestMode Antenna ChName Freq(MHz) FreqRange [MHz] Result [dBm] Limit [dBm] Verdict 11A Ant1 Low 5745 5650~5700 -50.25 ≤-26.96 PASS 5700~5720 -41.69 ≤14.15 PASS 5720~5725 -42.69 ≤16.34 PASS 5760~5650 -49.59 ≤-27 PASS High 5825 5850~5855 -41.87 ≤16.03 PASS 5855~5875 -46.21 ≤10.02 PASS 5875~5925 -50.26 ≤-26.91 PASS 5925~5935 -48.55 ≤-27 PASS 11N20SI SO Ant1 Low 5745 5650~5700 -50.09 ≤-26.96 PASS 5700~5720 -41.54 ≤14.02 PASS 5720~5725 -45.03 ≤16.34 PASS 5760~5650 -49.37 ≤-27 PASS High 5825 5850~5855 -41.44 ≤16.65 PASS 5855~5875 -45.64 ≤10.32 PASS 5875~5925 -49.37 ≤-26.71 PASS 5925~5935 -49.2 ≤-27 PASS 11N40SI SO Ant1 Low 5755 5650~5700 -49.23 ≤-25.90 PASS 5700~5720 -45.39 ≤10.10 PASS 5720~5725 -41.56 ≤15.74 PASS 5780~5650 -49.33 ≤-27 PASS High 5795 5850~5855 -45.91 ≤17.16 PASS 5855~5875 -47.59 ≤10.06 PASS 5875~5925 -50.27 ≤-26.95 PASS 5925~5935 -48.26 ≤-27 PASS 29 Test Graphs B4 11A_Ant1_Low_5745 11A_Ant1_High_5825 11N20SISO_Ant1_Low_5745 30 11N20SISO_Ant1_High_5825 11N40SISO_Ant1_Low_5755 31 11N40SISO_Ant1_High_5795 32 Appendix F: Conducted Spurious Emission Test Result TestMode Antenna Freq(MHz) FreqRange [MHz] Max. Fre [MHz] Max. Level [dBm] Limit [dBm] Verdict 11A Ant1 5745 30~5650 2622.13 -65.92 ≤-27 PASS 5925~40000 26969.09 -55.73 ≤-27 PASS 5785 30~5650 2648.73 -64.5 ≤-27 PASS 5925~40000 26643.83 -56.31 ≤-27 PASS 5825 30~5650 3140.67 -64.42 ≤-27 PASS 5925~40000 26033.36 -55.4 ≤-27 PASS 11N20SISO Ant1 5745 30~5650 2999.23 -65.43 ≤-27 PASS 5925~40000 26015.8 -56.03 ≤-27 PASS 5785 30~5650 3152.66 -65.32 ≤-27 PASS 5925~40000 26625.57 -55.42 ≤-27 PASS 5825 30~5650 3179.82 -65.88 ≤-27 PASS 5925~40000 26621.35 -56.19 ≤-27 PASS 11N40SISO Ant…

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FCC ID:2AW5W-C4 Test Setup Photos of the EUT