2ASNS777HTwo Way Radio

s am eD CSco d e s . One-key Pairing • A dj u st t h era d i o c h a nn e l to1an dt ur no fft h era d i o . P re s st h eUP key a n dt u r no nt h era di o .T h ein d i c a t o r sl owlyl i gh t s up g re e n , an dt h era d i oe n te rsp ar i n gm o d e . A n y ra d i o t ra n s m i t s , w h e nt h era d i ore c e i ve st h e s i g n a l a n dtwora d i o s ta l k n o r m a l ly, a c h a n n el p a i rs s u cce s sfu l ly. Sw i tc h c h an n el s t op a i r c o n t i n u o u s ly. Aft e r fi n i s h i n g , t ur n o nt h era di oa g a i ntou s eit n o r m a l ly. Display Function • C h ec kt h e c h a nn e l a n d b a tte ryt hro u gh t h eh i d d e n di s p l ay. Specifications General R a t e d Vo lt a g e D C 3 . 7V ( R e c h a rg e a b l e L i - i o n b atte ry) Me m o ry C h a nn e l s 16 A n te n n a B u i l t- in a nte n n a A n t e nn a I m p e d a n ce 5 0 Q Wo r k M et h o d s im p l e x G ro u n dM et h o d N e g a t i ve p o l e D im e n s i o n 15 0 x5 8 . 5x 3 4 . 5 m m 07 Transmit Output Power 2W Modulation Method FM FM Limitation ±2.5kHz Rest FM -45dB/-35dB Adjacent Power -65dB/-55dB Spurious & Hsupplyonic s-36dBm FM Distortion :S5 % Receive Receive Sensitivity S0.7μV (12dB SINAD) Rated Audio Output Power �600mW Rated Audio Distortion :S 5% SNR �55dB Spurious Response Suppression 40dB / 35dB Adjacent Selectivity �60dB 08 FCC This device complies with part 15 of the FCC Rules. Operation is subject to the condition that this device does not cause harmful interference. (Licensed radios are applicable); This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (Other devices are applicable) (1) This device may not cause harmful interference. (2) This device must accept any interference received, including interference that may cause undesired operation.

Shenzhen Retevis Technology Co., Ltd. 2.911 (d)(5)(i) Equipment Type Attestation v1.2 Section 2.911(d)(5)(i) Certification – Equipment Type Company name: Shenzhen Retevis Technology Co., Ltd. Address: 7/F, 13-C, Zhonghaixin Science&Technology Park, No.12 Ganli 6th Road, Jihua Street, Longgang District, Shenzhen, China Product Name: Two Way Radio FCC ID: 2ASNS777H Model(s): H777H 2.911(d)(5)(i) Equipment Type We, [Shenzhen Retevis Technology Co., Ltd.] (“the applicant”) certify that the equipment for which authorization is sought through certification is not: • Prohibited from receiving an equipment authorization pursuant to § 2.903; of the FCC rules. • Identified as an equipment type in the “Covered List” NOTE 1 Yours sincerely, Name: Dongfang Shen Date: 2026-08-25 Title and Company name: Manager / Shenzhen Retevis Technology Co., Ltd. NOTE 1 “Covered List”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1) 986446 D01 Covered Equipment v01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

Shenzhen Retevis Technology Co., Ltd. 2.911 (d)(5)(ii) Applicant Attestation v1.2 Section 2.911(d)(5)(ii) Certification – Applicant (Covered List ) Company name: Shenzhen Retevis Technology Co., Ltd. Address: 7/F, 13-C, Zhonghaixin Science&Technology Park, No.12 Ganli 6th Road, Jihua Street, Longgang District, Shenzhen, China Product Name: Two Way Radio FCC ID: 2ASNS777H Model(s): H777H 2.911(d)(5)(ii) Applicant filing We, [Shenzhen Retevis Technology Co., Ltd.] (“the applicant”) certify that, as of the date of the filing of the application, the applicant is not identified NOTE 1 on the “Covered List” NOTE 2 , established pursuant to § 1.50002 of this chapter, as an entity producing covered communications equipment. Yours sincerely, Name: Dongfang Shen Date: 2026-08-25 Title and Company name: Manager / Shenzhen Retevis Technology Co., Ltd. NOTE 1 Delete option not applicable to this application. NOTE 2 “Covered List”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1) 986446 D01 Covered Equipment v01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

ShenzhenRetevisTechnologyCo.,Ltd 7/F,13-C,ZhonghaixinScience&TechnologyPark,No.12Ganli6thRoad,JihuaStreet, LonggangDistrict,Shenzhen,China FederalCommunicationsCommission AuthorizationandEvaluationDivision EquipmentAuthorizationBranch 7435OaklandMillsRoad Columbia,MD21046 August20,2026 U.S.AgentDesignation ShenzhenRetevisTechnologyCo.,Ltd.acknowledgestheirconsentforthefollowingcontactlocatedintheUnited Statestoactastheiragentforserviceofprocessfortheequipmentforwhichauthorizationissought(FCCID: 2ASNS777H): NameandcompanyofU.S.agent:RETEVISINC PhysicalU.S.addressofagent:1733EBROOKPORTSTCovina,CA91724UnitedStates FRNofU.S.agent:0033657701 EmailaddressofU.S.agent:[email protected] RETEVISINCacknowledgestheirobligationtoacceptserviceofprocessonbehalfofShenzhenRetevisTechnology Co.,Ltd. ShenzhenRetevisTechnologyCo.,Ltd.withtheFRN[0028298024]acceptsitsobligationtomaintainanagentfor serviceofprocessintheUnitedStatesfornolessthanoneyearaftereitherthegranteehaspermanentlyterminatedall marketingandimportationoftheapplicableequipmentwithintheU.S.,ortheconclusionofanyCommission-related administrativeorjudicialproceedinginvolvingtheequipment,whicheverislater. Bysigningthisform,weconfirmtheaboveandthatweareawareoftheapplicationrequirementslistedunder§ 2.911(d)(7). TheinformationprovidedinthisletterisbasedonthereferencedrulepartsofTitle47oftheCFRaswellasKDB986446 D01. Anexpirationdateforthisletterdoesnotexist.IncasetheU.S.agentchanges,thegranteeisobligatedtonotifytheFCC within30daysviathegrantingTCB. Sincerely, Signature DongfangShen Manager ShenzhenRetevisTechnologyCo.,Ltd. Signature LiuyeLi Manager RETEVISINC 4 8 _ [ m o d e l ] U S _ A g e n t _ 2 . 9 1 1 ( d ) ( 7 ) - U , V 0 5

Shenzhen Retevis Technology Co., Ltd. Letter of Authorization Company: Shenzhen Retevis Technology Co., Ltd. Address: 7/F, 13-C, Zhonghaixin Science&Technology Park, No.12 Ganli 6th Road, Jihua Street, Longgang District, Shenzhen, China Product Name: Two Way Radio Model Number: H777H FCC Identifier: 2ASNS777H We authorize MiCOM Labs Inc, 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the above named equipment. Any individual within MiCOM Labs is authorized to act on our behalf and take action on the application. We declare that MiCOM Labs Inc, 575 Boulder Court, Pleasanton, California 94566, USA, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Name: Dongfang Shen Date: 2026-08-25 Title: Manager

Shenzhen Retevis Technology Co., Ltd. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2026-08-25 Subject; Request for Confidentiality FCC ID: 2ASNS777H To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description Tune-up Procedure It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Dongfang Shen Title: Manager

7.1. External Photos

7.2. Internal Photos FRS ANT

TEST REPORT For SAR Report No......................................... : CHTW26085012 Project No ........................................ : SHT2607005304W FCC ID ............................................. : 2ASNS777H Applicant’s name ............................. : Shenzhen Retevis Technology Co., Ltd. Address ............................................ : 7/F, 13-C, Zhonghaixin Science&Technology Park, No.12 Ganli 6th Road, Jihua Street, Longgang District, Shenzhen, China Product Name .................................. : Two Way Radio Trade Mark....................................... : RETEVIS Model No.......................................... : H777H Listed Model(s) ................................ : - Standard .......................................... : FCC 47 CFR Part2.1093 ANSI/IEEE Std C95.1-1992 IEEE Std 1528-2013 Date of receipt of test sample..........: 2026/7/6 Date of testing.............................: 2026/8/4 Date of issue...............................: 2026/8/19 Result ................... ........................: PASS Compiled by (Position+Printed name+Signature) : File administrator Caspar Chen Supervised by (Position+Printed name+Signature) : Project Engineer Xiaodong Zhao Approved by (Position+Printed name+Signature) : RF Manager Xu Yang Testing Laboratory Name ............. : Shenzhen Huatongwei International Inspection Co., Ltd. Address ............................................ : Building 7, Baiwang Idea Factory, No.1051, Songbai Road, Yangguang Community, Xili Subdistrict, Nanshan District, Shenzhen, Guangdong, China Test Report Form No. ........................ : R0066 Test Report Form(s) Originator.......... : Shenzhen Huatongwei International Inspection Co., Ltd. Master TRF ........................................ : Dated 2025-07 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.The authenticity of this Test Report and its contents can be verified by contacting the Laboratory, responsible for this Test Report. Report No.: CHTW26085012 Page 2 of 26 Contents 1. Statement of Compliance 3 2. Test Standards and Report version 4 2.1. Test Standards 4 2.2. Report version 4 3. Summary 5 3.1. Client Information 5 3.2. Product Description 5 3.3. Radio Specification Description 5 3.4. Test frequency list 6 3.5. Testing Laboratory Information 6 3.6. Environmental conditions 6 4. Equipments Used during the Test 7 5. Measurement Uncertainty 8 6. SAR Measurements System Configuration 9 6.1. SAR Measurement Set-up 9 6.2. DASY5 E-field Probe System 10 6.3. Phantoms 11 6.4. Device Holder 11 7. SAR Test Procedure 12 7.1. Scanning Procedure 12 7.2. Data Storage and Evaluation 14 8. Position of the wireless device in relation to the phantom 16 8.1. Front-of-face 16 8.2. Body Position 16 9. Dielectric Property Measurements & System Check 17 9.1. Tissue Dielectric Parameters 17 9.2. SAR System Validation 18 9.3. System Check 18 10. SAR Exposure Limits 21 11. Antenna Location 22 12. Radiated Power Measurement Results and Tune-up 23 13. SAR Measurement Results 24 14. Test Setup Photos 25 15. External Photos of the EUT 26 Report No.: CHTW26085012 Page 3 of 26 1. Statement of Compliance Maximum Reported SAR (W/kg @1g) RF Exposure Conditions FRS Front-of-face(Dist.= 25mm) 0.621 Body-worn(Dist.= 0mm) 1.251 Note: 1. This device is in compliance with Specific Absorption Rate (SAR) for general population/uncontrolled exposure limits specified in FCC 47 CFR part 2 (2.1093) and IEEE Std C95.1. 2. This device had been tested in accordance with the measurement methods and procedures specified in IEEE 1528 and FCC KDB publications. 3. The above SAR values are all based on a 75% duty cycle. Report No.: CHTW26085012 Page 4 of 26 2. Test Standards and Report version 2.1. Test Standards The tests were performed according to following standards: FCC 47 Part 2.1093: Radiofrequency Radiation Exposure Evaluation:Portable Devices ANSI/IEEE C95.1-1992: IEEE Standard for Safety Levels with Respect to Human Exposure to Radio Frequency Electromagnetic Fields, 3 kHz to 300 GHz IEEE Std 1528-2013: IEEE Recommended Practice for Determining the Peak Spatial-Average Specific Absorption Rate (SAR) in the Human Head from Wireless Communications Devices: Measurement Techniques. FCC published RF exposure KDB procedures: KDB 865664 D01 SAR Measurement 100 MHz to 6 GHz v01r04: SAR Measurement Requirements for 100 MHz to 6 GHz KDB 865664 D02 RF Exposure Reporting v01r02: RF Exposure Compliance Reporting and Documentation Considerations KDB 447498 D04 Interim General RF Exposure Guidance v01: Mobile and Portable Device RF Exposure Procedures and Equipment Authorization Policies TCB workshop: April, 2019; Page 19, Tissue Simulating Liquids (TSL) 2.2. Report version Revision No. Date of issue Description N/A 2026-08-19 Original Report No.: CHTW26085012 Page 5 of 26 3. Summary 3.1. Client Information Applicant: Shenzhen Retevis Technology Co., Ltd. Address: 7/F, 13-C, Zhonghaixin Science&Technology Park, No.12 Ganli 6th Road, Jihua Street, Longgang District, Shenzhen, China Manufacturer: Shenzhen Retevis Technology Co., Ltd. Address: 7/F, 13-C, Zhonghaixin Science&Technology Park, No.12 Ganli 6th Road, Jihua Street, Longgang District, Shenzhen, China 3.2. Product Description Main unit Name of EUT: Two Way Radio Trade Mark: RETEVIS Model No.: H777H Listed Model(s): - Power supply: DC 3.7V from battery Hardware version: 2.0 Software version: 2.0.0 Device Dimension: Length x Width x Thickness (mm): 142 x 50 …

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Appendix Report Project No. SHT2607005304W Test sample No. YPHT26070053002 Model No. H777H Start test date 2026/8/4 Finish date 2026/8/4 Temperature 23.1°C Humidity 53% Test EngineerAuditor Appendix clause Test ItemResult AERP Measurement ResultsPASS BSAR Measurement ResultsPASS Appendix:1 of 3 Project No.:SHT2607005304W Appendix A:ERP Measurement Results Power Mode Channel Separation Frequency ERP (dBm) Tune up limit (dBm) ChannelMHz Analog12.5kHzCH4462.6375 29.92 30.50 Appendix A: 2/3 Project No.:SHT2607005304W Appendix B:SAR Measurement Results Front-of-face Mode Channel Separati on Test Position Test Distance (mm) Frequency ERP (dBm) Tune up limit (dBm) Tune up scaling factor Power Drift(dB) Measure d SAR(1g) Report SAR(1g) 75% Duty SAR(1g)Plot No. CHMHz(W/kg)(W/kg)(W/kg) Analog12.5kHzFront25 CH4462.6375 29.92 30.50 1.143 -0.16 0.725 0.829 0.621 1 Body-worn Mode Channel Separati on Test Position Test Distance (mm) Frequency ERP (dBm) Tune up limit (dBm) Tune up scaling factor Power Drift(dB) Measure d SAR(1g) Report SAR(1g) 75% Duty SAR(1g) Plot No. CHMHz(W/kg)(W/kg)(W/kg) Analog12.5kHz Back (With Belt Clip) 0 CH4462.6375 29.92 30.50 1.143 -0.02 1.460 1.669 1.251 2 Appendix B: 3/3 Test Laboratory: Huatongwei International Inspection Co., Ltd.,SAR LabDate: 2026/8/4 Analog-12.5kHz Front-of-face Communication System: UID 0, Analog (0); Frequency: 462.637 MHz;Duty Cycle: 1:1 Medium parameters used: f = 463 MHz; σ = 0.913 S/m; ε r = 45.135; ρ = 1000 kg/m 3 Phantom section: Flat Section Ambient Temperature:23.1°C;Liquid Temperature:22.4°C; DASY Configuration: lProbe: EX3DV4 - SN7494; ConvF(11.51, 11.51, 11.51) @ 462.637 MHz; Calibrated: 2025/11/ 27 lSensor-Surface: 1.4mm (Mechanical Surface Detection) lE lectronics: DAE4 Sn1549; Calibrated: 2026/5/ 8 lPhantom: ELI V8.0 ; Type: QD OVA 004 AA ; Serial: 2078 lDASY52 52.10.4(1535); SEMCAD X 14.6.14(7501) Front 25mm/CH4/Area Scan (7x13x1): Measurement grid: dx=15mm, dy=15mm Maximum value of SAR (measured) = 0.975 W/kg Front 25mm/CH4/Zoom Scan (5x5x7)/Cube 0: Measurement grid: dx=8mm, dy=8mm, dz=5mm Reference Value = 32.77 V/m; Power Drift = -0.16 dB Peak SAR (extrapolated) = 1.12 W/kg SAR(1 g) = 0.725 W/kg; SAR(10 g) = 0.523 W/kg Smallest distance from peaks to all points 3 dB below: Larger than measurement grid (> 16 mm) Ratio of SAR at M2 to SAR at M1 = 65.5% Maximum value of SAR (measured) = 0.959 W/kg 0 dB = 0.959 W/kg = -0.18 dBW/kg Appendix D: SAR Test Data Plots Plot No.1 Test Laboratory: Huatongwei International Inspection Co., Ltd.,SAR LabDate: 2026/8/4 Analog-12.5kHz Body-worn Communication System: UID 0, Analog (0); Frequency: 462.637 MHz;Duty Cycle: 1:1 Medium parameters used: f = 463 MHz; σ = 0.913 S/m; ε r = 45.135; ρ = 1000 kg/m 3 Phantom section: Flat Section Ambient Temperature:23.1°C;Liquid Temperature:22.4°C; DASY Configuration: lProbe: EX3DV4 - SN7494; ConvF(11.51, 11.51, 11.51) @ 462.637 MHz; Calibrated: 2025/11/ 27 lSensor-Surface: 1.4mm (Mechanical Surface Detection) lE lectronics: DAE4 Sn1549; Calibrated: 2026/5/ 8 lPhantom: ELI V8.0 ; Type: QD OVA 004 AA ; Serial: 2078 lDASY52 52.10.4(1535); SEMCAD X 14.6.14(7501) Back(With Belt Clip) 0mm/CH4/Area Scan (7x13x1): Measurement grid: dx=15mm, dy=15mm Maximum value of SAR (measured) = 1.97 W/kg Back(With Belt Clip) 0mm/CH4/Zoom Scan (5x5x7)/Cube 0: Measurement grid: dx=8mm, dy=8mm, dz=5mm Reference Value = 35.85 V/m; Power Drift = -0.02 dB Peak SAR (extrapolated) = 2.35 W/kg SAR(1 g) = 1.46 W/kg; SAR(10 g) = 0.979 W/kg Smallest distance from peaks to all points 3 dB below = 21.5 mm Ratio of SAR at M2 to SAR at M1 = 58.7% Maximum value of SAR (measured) = 1.93 W/kg 0 dB = 1.93 W/kg = 2.86 dBW/kg Appendix D: SAR Test Data Plots Plot No.2 Appendix E: DAE and Probe Calibration Certificate 1 of 12 1.1. DAE4 Calibration Certificate Appendix E: DAE and Probe Calibration Certificate 2 of 12 Appendix E: DAE and Probe Calibration Certificate 3 of 12 Appendix E: DAE and Probe Calibration Certificate 4 of 12 1.2. Probe Calibration Certificate Appendix E: DAE and Probe Calibration Certificate 5 of 12 Appendix E: DAE and Probe Calibration Certificate 6 of 12 Appendix E: DAE and Probe Calibration Certificate 7 of 12 Appendix E: DAE and Probe Calibration Certificate 8 of 12 Appendix E: DAE and Probe Calibration Certificate 9 of 12 Appendix E: DAE and Probe Calibration Certificate 10 of 12 Appendix E: DAE and Probe Calibration Certificate 11 of 12 Appendix E: DAE and Probe Calibration Certificate 12 of 12 Appendix F: Dipole Calibration Certificate 1 of 7 1.1. D450V3 Dipole Calibration Certificate Appendix F: Dipole Calibration Certificate 2 of 7 Appendix F: Dipole Calibration Certificate 3 of 7 Appendix F: Dipole Calibration Certificate 4 of 7 Appendix F: Dipole Calibration Certificate 5 of 7 Appendix F: Dipole Calibration Certificate 6 of 7 Appendix F: Dipole Calibration Certificate 7 of 7 Extended Dipole Calibrations Referring to KDB865664 D01, if dipoles are verified in return loss (<-20dB, within 20% of prior calibration), and in impedance (within 5 ohm of prior calibration), the annual calibration is not necessary and the calibration interval can be extended. Head-450 Date of measurement Return-loss (dB) Delta (%) Real Impedance (ohm) Delta (ohm) Imaginary impedance (ohm) Delta (ohm) 2024-01-24 -21.5 58.4 -3.50 2025-01-17 -22.3 3.72 56.3 2.1 -5.19 1.69 2026-01-13 -22.5 4.65 56.2 2.2 -4.96 1.46 The return loss is <-20dB, within 20% of prior calibration; the impedance is within 5ohm of prior calibration. Therefore the verification result should support extended calibration.

TEST REPORT Report No......................................... : CHTW26085023 Project No ........................................ : SHT2607005306W FCC ID ............................................. : 2ASNS777H Applicant’s name ............................. : Shenzhen Retevis Technology Co., Ltd. Address ............................................ : 7/F, 13-C, Zhonghaixin Science&Technology Park, No.12 Ganli 6th Road, Jihua Street, Longgang District, Shenzhen, China Product Name .................................. : Two Way Radio Trade Mark....................................... : RETEVIS Model No.......................................... : H777H Listed Model(s) ................................ : - Standard .......................................... : FCC CFR Title 47 Part 95 Subpart B Date of receipt of test sample..........: 2026/7/7 Date of testing.............................: 2026/7/27 - 2026/8/3 Date of issue...............................: 2026/8/17 Result ................... ........................: PASS Compiled by (Position+Printed name+Signature) : File administrator Xiaodong Zhao Supervised by (Position+Printed name+Signature) : Project Engineer Caspar Chen Approved by (Position+Printed name+Signature) : RF Manager Xu Yang Testing Laboratory Name ............. : Shenzhen Huatongwei International Inspection Co., Ltd. Address ............................................ : Building 7, Baiwang Idea Factory, No.1051, Songbai Road, Yangguang Community, Xili Subdistrict, Nanshan District, Shenzhen, Guangdong, China Test Report Form No. ........................ : R0066 Test Report Form(s) Originator ......... : Shenzhen Huatongwei International Inspection Co., Ltd. Master TRF ........................................ : Dated 2025-07 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.The authenticity of this Test Report and its contents can be verified by contacting the Laboratory, responsible for this Test Report. Report No.: CHTW26085023 Page 2 of 32 Contents 1. TEST S T AN D AR D S A N D 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 6 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 8 4.4. Testing environmental condition 8 4.5. Measurement uncertainty 9 4.6. Equipment Used during the Test 10 5. TEST CONDITIONS AND RESULTS 12 5.1. Carrier Output Power (ERP) 12 5.2. 99% Occupied Bandwidth & 26dB Bandwidth 13 5.3. Emission Mask 14 5.4. Modulation Limit 15 5.5. Audio Frequency Response 16 5.6. Audio Low Pass Filter Response 18 5.7. Frequency stability VS Temperature 19 5.8. Frequency stability VS Voltage 20 5.9. Transmit Radiated Spurious Emission 21 6. TEST SETUP PHOTOS 25 7. EXTERANAL AND INTERNAL PHOTOS 27 7.1. External Photos 27 7.2. Internal Photos 30 8. APPENDIX REPORT 32 Report No.: CHTW26085023 Page 3 of 32 1. TEST STAND ARDS AND REPORT VERSION 1.1. Test Standards The tests were performed according to following standards: FCC CFR Title 47 Part 95 Subpart B: Family Radio Service (FRS) FCC Rules Part 2: Frequency allocations and radio treaty matters; General rules and regulations ANSI C63.26-2015: American National Standard for Compliance Testing of Transmitters Used in Licensed Radio Services ANSI TIA-603-E-2016: Land Mobile FM or PM Communications Equipment Measurement and Performance Standards 1.2. Report version Revision No. Date of issue Description N/A 2026-08-17 Original Report No.: CHTW26085023 Page 4 of 32 2. TEST DESCRIPTION Section Test Items Standard Requirement Result Test Engineer 5.1 Carrier Output Power (ERP) Part 95.567 Part 2.1046(a) PASS Caspar Chen 5.2 99% Occupied Bandwidth & 26dB bandwidth Part 95.573 Part 2.1049 PASS Caspar Chen 5.3 Emission Mask Part 95.579(a)(1)(2)(3) Part 2.1049 PASS Caspar Chen 5.4 Modulation Limit Part 95.575 Part 2.1047(b) PASS Caspar Chen 5.5 Audio Frequency Response Part 95.575 Part 2.1047(a) PASS Caspar Chen 5.6 Audio Low Pass Filter Response Part 95.575 Part 2.1047(a) PASS Caspar Chen 5.7 Frequency Stability V.S. Temperature Part 95.565 Part 2.1055 PASS Caspar Chen 5.8 Frequency Stability V.S. Voltage Part 95.565 Part 2.1055 PASS Caspar Chen 5.9 Transmit Radiated Spurious Emission Part 95.579(a)(3) Part 2.1053 PASS Junxu Lin Note: The measurement uncertainty is not included in the test result. Report No.: CHTW26085023 Page 5 of 32 3. SUMMARY 3.1. Client Information Applicant: Shenzhen Retevis Technology Co., Ltd. Address: 7/F, 13-C, Zhonghaixin Science&Technology Park, No.12 Ganli 6th Road, Jihua Street, Longgang District, Shenzhen, China Manufacturer: Shenzhen Retevis Technology Co., Ltd. Address: 7/F, 13-C, Zhonghaixin Science&Technology Park, No.12 Ganli 6th Road, Jihua Street, Longgang District, Shenzhen, China 3.2. Product Description Main unit information: Product Name: Two Way Radio Trade Mark: RETEVIS Model No.: H777H Listed Model(s): - Power supply: DC 3.7V from battery Hardware version: 2.0 Software version: 2.0.0 Accessory unit information: Battery information: Model:H777 3.7V 1000mAh 3.7Wh Adapter information: MODEL:DSA-5PF07-05 FUS 050100 INPUT:100-240V~50/60Hz 0.2A OUTPUT:5V 1A Charger information: Model:H777 Input:5V 1A Output:4.2V 500mA Report No.: CHTW26085023 Page 6 of 32 3.3. Radio Specification Description Support Frequency Range: CH01~CH0…

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6.TEST SETUP PHOTOS

14. Test Setup Photos Liquid depth in the flat Phantom Front-of-face(25mm) Body-worn With Belt Clip (0mm)