2A3OORB46Two Way Radio

Frequency range:462.5500~462.7250MHz Safety Information for Radios Your wireless handheld portable transceiver contains a low power transmitter. When the talk button is pushed, it sends out radio frequency (RF) signals. The device is authorized to operate at a duty factor not to exceed 50%. In August 1996, the Federal Communications Commissions (FCC) adopted RF exposure guidelines with safety levels for handheld wireless devices. Important FCC RF Exposure Requirements: For body-worn operation, this radio has been tested and meets the FCC RF exposure guidelines when used with accessories supplied or designated for this product. Use of other accessories may not ensure compliance with FCC RF exposure guidelines. attachments could damage the transmitter and may violate FCC regulations. Normal Position Hold the transmitter approximately 25 mm from your face and speak in a normal voice, with the antenna pointed up and away. Use only the supplied antenna. Unauthorized antennas, modifications or Le présent appareil est conforme aux CNR d' Innovation, Sciences et Développement économique Canada applicables aux appareils radio exempts de licence. L'exploitation est autorisée aux deux conditions suivantes : (1) l'appareil nedoit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement. ISEDC Radiation Exposure Statement For body worn operation, this model device has been tested and meets the ISED RF exposure guidelines when used with an accessory designated for this product or when used with an accessory that Contains no metal and that positions of the face up minimum distance is 25 mm. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. Pour le corps, ce modèle d’appareil a été testé et adapté à la RF renforcée Lignes directrices relatives à l’exposition lorsqu’elles sont utilisées avec un accessoire pour ce produit ou lorsqu’elles sont utilisées avec celui-ci Un acces-soire ne contenant pas de métal et dont la distance minimale de la face est de 25 mm. Tout changement ou modi?cation non expressément approuvé par la partie responsable de la conformité l'équipement. Your wireless handheld portable transceiver contains a low power transmitter. When the talk button is pushed, it sends out radio frequency (RF) signals. The device is authorized to operate at a duty factor not to exceed 50%. Votre émetteur-récepteur portable sans fil contient un émetteur de faible puissance. Lorsque le bouton de conversation est enfoncé, il envoie des signaux de radiofréquence (RF). L'appareil est autorisé à fonctionner avec un facteur d'utilisation ne dépassant pas 50%.

Shenzhen Ysair Technology Co., LTD Address: 6/F, building 6, Yunli intelligent park, No. 3, Changfa, Middle Road, Yangmei community, Bantian street, Longgang District, Shenzhen, Guangdong China Email: [email protected] Tel: +86-755-23481953 QA-FR-170-B 7/29/2014 FCC Authorization Date: 2022-03-29 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We Shenzhen Ysair Technology Co., LTD, the undersigned, hereby authorizes Shenzhen Accurate Technology Co., Ltd. to act on its behalf in all matters relating to application for Equipment authorization, including the signing of all documents relating to these matters. All acts carried out by Shenzhen Accurate Technology Co., Ltd. on our behalf shall have the same effect as our own action. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. This authorization is valid until further written notice from the applicant. Sincerely Yours, Signature: Weidong Shen Manager

Shenzhen Ysair Technology Co., LTD Address: 6/F, building 6, Yunli intelligent park, No. 3, Changfa, Middle Road, Yangmei community, Bantian street, Longgang District, Shenzhen, Guangdong China Email: [email protected] Tel: +86-755-23481953 FCC Confidential Authorization Date: 2022-03-29 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: 2A3OORB46 In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, Shenzhen Ysair Technology Co., LTD hereby requests long-term confidential treatment of information accompanying this application as outlined below: • Block Diagram • Schematics • Operation Description The above materials contain proprietary and confidential information not customarily released to the public. The public disclosure of these materials provides unjustified benefits to its competitors in the market. Sincerely Yours, Signature: Weidong Shen Manager Shenzhen Ysair Te c h n o l o g y Co., LT D Address: 6 / F, building 6, Yunli intelligent park, No. 3, Changfa, Middle Road, Yangmei community, Bantian street, Longgang District, Shenzhen, Guangdong China Email: [email protected] Te l : +86- 755-23481953 QA-FR-169-B Date: 2022-03-29 To: Bay Area Compliance Laboratories Corp. 1274 Anvilwood Avenue Sunnyvale, CA 94089 Dear Sir/Madam, Re: Project Authorization Letter We,Shenzhen Ysair Technology Co., LTD hereby authorize Shenzhen Accurate Technology Co., Ltd.to act as a laboratory for testing and test report generation for the following project(s): (Product Name: Two Way Radio; FCC ID:2A3OORB46) We affirm that between ATC(Shenzhen) and Shenzhen Ysair Technology Co., LTD any difference in understanding, including test plan, measurement methods, applicable standards and relevant procedures and processes have been resolved prior to commencement of testing activities. Sincerely Yours, Signature: Weidong Shen Manager

Shenzhen Accurate Technology Co., Ltd. Project No.: SZNS220216-04727E-RF External Photos Page 1 of 9 External Photos Shenzhen Accurate Technology Co., Ltd. Project No.: SZNS220216-04727E-RF External Photos Page 2 of 9 Shenzhen Accurate Technology Co., Ltd. Project No.: SZNS220216-04727E-RF External Photos Page 3 of 9 Shenzhen Accurate Technology Co., Ltd. Project No.: SZNS220216-04727E-RF External Photos Page 4 of 9 Shenzhen Accurate Technology Co., Ltd. Project No.: SZNS220216-04727E-RF External Photos Page 5 of 9 Charging base Shenzhen Accurate Technology Co., Ltd. Project No.: SZNS220216-04727E-RF External Photos Page 6 of 9 Shenzhen Accurate Technology Co., Ltd. Project No.: SZNS220216-04727E-RF External Photos Page 7 of 9 Shenzhen Accurate Technology Co., Ltd. Project No.: SZNS220216-04727E-RF External Photos Page 8 of 9 Shenzhen Accurate Technology Co., Ltd. Project No.: SZNS220216-04727E-RF External Photos Page 9 of 9

Shenzhen Accurate Technology Co., Ltd. Project No.: SZNS220216-04727E-RF LABEL AND LOCATION Page 1 of 1 FCC ID Label FCC ID Label Location Information The label shown shall be permanently affixed at a conspicuous location on the device and be readily visible to the user at the time purchase (Labeling requirements per 2.925)

Shenzhen Accurate Technology Co., Ltd. Project No.: SZNS220216-04727E-RF Internal Photos Page 1 of 5 Internal photos Shenzhen Accurate Technology Co., Ltd. Project No.: SZNS220216-04727E-RF Internal Photos Page 2 of 5 Shenzhen Accurate Technology Co., Ltd. Project No.: SZNS220216-04727E-RF Internal Photos Page 3 of 5 Shenzhen Accurate Technology Co., Ltd. Project No.: SZNS220216-04727E-RF Internal Photos Page 4 of 5 Charging base Shenzhen Accurate Technology Co., Ltd. Project No.: SZNS220216-04727E-RF Internal Photos Page 5 of 5

SAR TEST REPORT Applicant: Shenzhen Ysair Technology Co., LTD Address: 6/F, building 6, Yunli intelligent park, No. 3, Changfa, Middle Road, Yangmei community, Bantian street, Longgang District, Shenzhen, Guangdong China FCC ID: 2A3OORB46 Product Name: Two Way Radio Model Number: RB46 Standard(s): 47 CFR Part 2(2.1093) The above equipment has been tested and found compliant with the requirement of the relative standards by China Certification ICT Co., Ltd (Dongguan) Report Number: CR22020018-SA Date Of Issue: 2022-03-26 Reviewed By: Sun Zhong Title: Manager Test Laboratory: China Certification ICT Co., Ltd (Dongguan) No. 113, Pingkang Road, Dalang Town, Dongguan, Guangdong, China Tel: +86-769-82016888 China Certification ICT Co., Ltd (Dongguan) Report No.: CR22020018-SA Page 2 of 35 SAR TEST RESULTS SUMMARY Operation Frequency Bands Highest Reported 1g SAR (W/kg) Limit (W/kg) Head Face Up (Gap 25mm) Body-Worn (Gap 0mm) PTT 0.75 1.42 1.6 Maximum Simultaneous Transmission SAR Items Head Face Up Body-Worn Limit Sum SAR(W/kg) N/A N/A 1.6 SPLSR N/A N/A 0.04 EUT Received Date: 2022/2/16 Tested Date: 2022/2/24 Tested Result: Pass China Certification ICT Co., Ltd (Dongguan) Report No.: CR22020018-SA Page 3 of 35 Test Facility The Test site used by China Certification ICT Co., Ltd (Dongguan) to collect test data is located on the No. 113, Pingkang Road, Dalang Town, Dongguan, Guangdong, China. The lab has been recognized as the FCC accredited lab under the KDB 974614 D01 and is listed in the FCC Public Access Link (PAL) database, FCC Registration No. : 442868, the FCC Designation No. : CN1314. The lab has been recognized by Innovation, Science and Economic Development Canada to test to Canadian radio equipment requirements, the CAB identifier: CN0123. Declarations China Certification ICT Co., Ltd (Dongguan) is not responsible for the authenticity of any test data provided by the applicant. Data included from the applicant that may affect test results are marked with a triangle symbol “▲”. Customer model name, addresses, names, trademarks etc. are not considered data. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report cannot be reproduced except in full, without prior written approval of the Company. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. This report may contain data that are not covered by the accreditation scope and shall be marked with an asterisk “★”. China Certification ICT Co., Ltd (Dongguan) Report No.: CR22020018-SA Page 4 of 35 CONTENTS SAR TEST RESULTS SUMMARY .............................................................................................. 2 TEST FACILITY .......................................................................................................................................... 3 DECLARATIONS .......................................................................................................................................... 3 1. GENERAL INFORMATION .................................................................................................... 6 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ....................................................... 6 1.2 TEST SPECIFICATION, METHODS AND PROCEDURES ........................................................................ 7 1.3 SAR LIMTS ........................................................................................................................................... 8 2. SAR MEASUREMENT SYSTEM ............................................................................................ 9 3. EQUIPMENT LIST AND CALIBRATION .......................................................................... 16 3.1 EQUIPMENTS LIST & CALIBRATION INFORMATION ....................................................................... 16 4. SAR MEASUREMENT SYSTEM VERIFICATION ........................................................... 17 4.1 LIQUID VERIFICATION ...................................................................................................................... 17 4.2 SYSTEM ACCURACY VERIFICATION ................................................................................................. 18 4.3 SAR SYSTEM VALIDATION DATA ............................................................................................. 19 5. EUT TEST STRATEGY AND METHODOLOGY .............................................................. 20 5.1 TEST POSITIONS FOR DEVICE OPERATING NEXT TO A PERSON’S EAR ......................................... 20 5.2 CHEEK/TOUCH POSITION .................................................................................................................. 21 5.3 EAR/TILT POSITION ........................................................................................................................... 21 5.4 TEST POSITIONS FOR BODY-WORN AND OTHER CONFIGURATIONS ............................................... 22 5.5 TEST DISTANCE FOR SAR EVALUATION .......................................................................................... 23 5.6 SAR EVALUATION PROCEDURE ....................................................................................................... 24 6. RADIATED OUTPUT POWER MEASUREMENT ............................................................ 25 6.1 TEST PROCEDURE .............................................................................................................................. 25 6.2 MAXIMUM TARGET OUTPUT POWER ............................................................................................... 25 6.3 TEST RESULTS: .................................................................................................................................. 25 7. SAR MEASUREMENT RESULTS ........................................................................................ 27 7.1 SAR TES…

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Note: This report may cont ★ ain data that are not covered by the A2LA accreditation and are marked with an asterisk “ ”. Shenzhen Accurate Technology Co., Ltd. is not responsible for the authenticity of any test data provided by the applicant. Data included from the applicant that may affect test results are marked with an asterisk ’*’. Customer model name, addresses, names, trademarks etc. are not considered data. This report cannot be reproduced except in full, without prior written approval of the Company. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. Shenzhen Accurate Technology Co., Ltd. 1/F., Building A, Changyuan New Material Port, Science & Industry Park, Nanshan District, Shenzhen, Guangdong, P.R. China Tel: +86 755-26503290 Fax: +86 755-26503396 Web: www.atc-lab.com Version 26: 2021-11-09 Page 1 of 24 FCC- RF TEST REPORT Applicant Name : Shenzhen Ysair Technology Co., LTD Address : 6/F, building 6, Yunli intelligent park, No. 3, Changfa, Middle Road, Yangmei community, Bantian street, Longgang District, Shenzhen, Guangdong China Report Number : SZNS220216-04727E-RF-00B FCC ID: 2A3OORB46 Test Standard (s) FCC PART 95 Sample Description Product Type: Two Way Radio Model No.: RB46 Multiple Model(s) No.: N/A Trade Mark: RETEVIS Date Received: 2022/02/16 Date of Test: 2022/02/28~2022/03/01 Report Date: 2022/03/18 Test Result: Pass* * In the configuration tested, the EUT complied with the standards above. Prepared and Checked By: Approved By: Black Ding Robert Li EMC Engineer EMC Engineer Shenzhen Accurate Technology Co., Ltd. Report No.: SZNS220216-04727E-RF-00B Version 26: 2021-11-09 Page 2 of 24 FCC- RF TABLE OF CONTENTS GENERAL INFORMATION ....................................................................................................................................... 3 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) .................................................................................... 3 OBJECTIVE ................................................................................................................................................................... 3 TEST METHODOLOGY .................................................................................................................................................. 3 MEASUREMENT UNCERTAINTY .................................................................................................................................... 4 TEST FACILITY ............................................................................................................................................................. 4 SYSTEM TEST CONFIGURATION .......................................................................................................................... 5 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 5 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 5 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................... 5 EXTERNAL I/O CABLE .................................................................................................................................................. 5 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 6 SUMMARY OF TEST RESULTS ............................................................................................................................... 7 TEST EQUIPMENT LIST ........................................................................................................................................... 8 §2.1093 - RF EXPOSURE INFORMATION .............................................................................................................. 9 APPLICABLE STANDARD .............................................................................................................................................. 9 TEST RESULT ............................................................................................................................................................... 9 FCC §2.1046 & §95.567 - RF OUTPUT POWER ..................................................................................................... 10 APPLICABLE STANDARD ............................................................................................................................................ 10 TEST PROCEDURE ...................................................................................................................................................... 10 TEST DATA ................................................................................................................................................................ 10 FCC §2.1047 & §95.575 - MODULATION CHARACTERISTIC .......................................................................... 11 APPLICABLE STANDARD ............................................................................................................................................ 11 TEST PROCEDURE ...................................................................................................................................................... 11 TEST DATA ................................................................................................................................................................ 11 FCC §2.1049 & §95.573 & §95.579 - AUTHOURIZED BANDWIDTH AND EMISSION MASK ...................... 17 APPLICABLE STANDARD ................…

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Shenzhen Accurate Technology Co., Ltd. Project No.: SZNS220216-04727E-RF Test Photos Page 1 of 1 Photo of Radiated Emission Measurement (Below 1G) Photo of Radiated Emission Measurement (Above 1G)