2A3OORB66Two Way Radio

Mobile Radio USER’S MANUAL RB66 Contents --------------------------------------------------------------------------------01 --------------------------------------------------------------------02 -------------------------------------------------------------------03 ------------------------------------------------------------------04 ----------------------------------------------------------------------------08 Warning Notes of charging Radio introduction Function operation WARNING For downloading further resources: Brochures, Software/Firmware, Manual etc, Pls contact your direct reseller first OR go to website retevis.com and check “support” in the each product link to download it. Warning Please read this manual carefully before using this radio. Please do not communicate or charge this radio in flammable, explosive and area which radio communication is prohibited (such as oil station, gas station, airport etc.) Please do not operate this radio without license in govemment laws banned areas Please make sure this radio avoids the sunshine, and avoids to put it near any heating device. Please make sure this radio avoids any dusty, humid and water splashed place, and also to put it near any heating device. If radio smells or smokes, please remove the battery pack from radio at once, and then please contact your nearest distributor. The repair job of this radio is in the charge of professionals & technical's, self-disassembly is prohibited. 01 Notes of charging Please use the charger matching this model to charge. When charging, it is recommended to turn off the radio first. In order to get the best battery performance, please charge for at least 5 hours for the first time. Please do not charge the battery for a long time, otherwise the service life of the battery will be shortened. When the battery is fully charged, please stop charging in time. The charger is only charged for this radio battery, please do not charge other battery, otherwise it will cause damage to the charger and battery. After the battery is fully charged, please place it in a cool, dry place. Please do not get close to fire or expose to sunlight, otherwise there will be a safety hazard. During the radio charging, it is not recommended to transmit. During the radio charging , the battery will be slightly hot, which is normal. 02 Radio introduction Charging mode When the radio is used the Type-C charging cable to charge, the radio indicator is red, and green when fully charged. When the radio is charged by charging base, the red light on the charging base means charging, and the green light means the battery is fully charged. Antenna Flashlight Power/Volumn Type-C MIC Indicate Light PTT Battery PF1/PF2 1 2 3 4 5 6 7 8 Antenna Indicator light Power Knob Flashlight Mic PTT PF1/PF2 Type-c Interface Transmit/Receive Wireless Signals Indicate Working Status Power Switch/Volume Adjustment Lighting“PF2”press 3 seconds Voice Input Transmit Channel Switch Earpiece/Programming/Charge Inteface No.NameApplication 03 Function operation 1. Function and operation 1.1Turn on/off Rotate the volume switch clockwise and hear a "click" to indicate that the radio is turned on; turn the volume switch counterclockwise, and hear a "click" sound to indicate that the radio is turned off. 1.2Programming Programming needs to pass through the Type-C charging port. 1.3One-click copy CTC/DCS Switch radio A to channel 1, turn off the radio, press and hold the channel + button to turn on the one-click copy function, the blue light will flash slowly when entering the pairing; press radio B PTT to transmit, the radio A will make a beep when the signal is paired, the blue light flashes quickly, indicating that the copy CTC/DCS is successful, and the current CTC/DCS will be saved, switch the channel, then radio A will copy the next CTC/DCS. Note: This function is the function of intercommunication with other brand radios of same frequency. After the copy CTC/DCS is completed, please restart the radio, otherwise it will consume power quickly. 1.4Wireless copy CTC/DCS If you want to copy all the parameters of the radio A to multiple radios, turn all the radios (including the radio A) to channel 2 first, turn off these radios, then press and hold the channel "+" to power on, the blue light flashes slowly (indicates that the wireless copy function is turned on), Press and hold the radio A PPT to transmit, after releasing, the red light is on, and when the red light is off, it indicates that the copy is successful (restart the radios and the copy is successful). Note: Wireless copy CTC/DCS is only possible when the radio has the same model and software version as the radio A. 1.5Alarm Set the side button " + / - " of the radio as the remote alarm function in the software. Press and hold the side button " + / - " on the radio for three seconds to turn on the emergency alarm function, and press the PTT button to turn off the alarm function during alarm. Local alarm + remote alarm 04 1.6Chinese/English voice broadcast channel function The voice broadcast column of the software reads: None, Chinese, and English. 1.7VOX The side button " + / - " of the radio is set to VOX in the software, long press and hold the side button " + / - " on the radio for three seconds to turn on the VOX function, and long press the side button " + / - " again to turn off the VOX function. Note: The higher the gain level of the VOX, the lower the volume required for VOX (the gain level can be selected from 0-9) The longer the VOX delay, the longer the VOX exit time, (VOX delay is divided into 0.5/1/1.5/2/2.5/3s) 1.8 Scan Set the side key " + / - " of the radio as the scan function in the software, long press the side key " + / - " on the radio for three seconds to turn on the scan function, and long press the side key " + / - " again to close the Scan function. 1.9 Non-standard CTC/DCS Non-standard CTC/DCS include analog sub-tone CT and digital sub-tone DCS Analog sub-tone CT can input any…

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Shenzhen Ysair Technology Co., LTD 2023-01-12 Nemko Canada Inc 303 River Road Ottawa, Ontario, Canada K1V 1H2 Attn: Director of Certification Authority to Act as Agent On our behalf, I appointShenzhen Huatongwei International Inspection Co., Ltd./ 1/F, Bldg 3, Hongfa Hi-tech Industrial Park, Genyu Road, Tianliao, Gongming, Shenzhen, China/Hans Hu,. to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in theFederal Communications Commission’s regulations will have affixed to it a label identical to that submitted for approval with this application. For instances where our authorized agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for certification, as specified by Nemko Canada Inc, still resides withShenzhen Ysair Technology Co., LTD/ 6/F, building 6, Yunli intelligent park, No. 3, Changfa Middle Road, Yangmei community, Bantian street, Longgang District, Shenzhen,Guangdong,China Agency agreement expiration date: Jan. 13, 2024 By: Weidong Shen SignaturePrinted Title: GM On behalf of : Shenzhen Ysair Technology Co., LTD Telephone: 0755-23481953

Shenzhen Ysair Technology Co., LTD 2023-01-12 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID:2A3OORB66 Product Name:Two Way Radio Request for Confidentiality Pursuant to Sections 0.457 and 0.459 of the commissions rules, we hereby request that the following documents be held confidential: (List here the documents for which you are seeking confidentiality – for example ...)  Schematics Block diagram Operation description Tune up These materials contain trade secrets and proprietary information and are not customarily released to the public. The public disclosure of this information might be harmful to the company and provide unjustified benefits to our competitors. By: Weidong Shen SignaturePrinted Title: GM On behalf of : Shenzhen Ysair Technology Co., LTD Telephone: 0755-23481953

EXTERANAL PHOTOS ANT

INTERNAL PHOTOS

Page: 1 of 17 TEST REPORT Report No..................................: CHTEW23010009 Report Verification: Project No.................................： SHT2212043201EW FCC ID ............................................. : 2A3OORB66 Applicant’s 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 Test item description .................... : Two Way Radio Trade Mark ....................................... : RETEVIS Model/Type reference ....................... : RB66 Listed Model(s) ................................. : - Standard ......................................... : FCC CFR Title 47 Part 15 Subpart B Date of receipt of test sample...........: Dec. 14, 2022 Date of testing..............................: Dec. 15, 2022- Jan. 03, 2023 Date of issue.................................: Jan. 04, 2023 Result .................. ........................: Compiled by ( position+printed name+signature) .. : File administrators Silvia Li Supervised by ( position+printed name+signature) .. : Project Engineer Caspar Chen 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 corresponds to the test sample. Report No.: CHTEW23010009 Page: 2 of 17 Issued: 2023-01-04 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2022-01) Contents 1. TEST STANDARDS AND REPORT VERSION ........................................... 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. EUT operation mode 7 4.2. Support unit used in test configuration 7 4.3. Environmental conditions 7 4.4. Statement of the measurement uncertainty 7 4.5. Equipments Used during the Test 8 5. TEST CONDITIONS AND RESULTS ..................................................... 9 5.1. Conducted Emissions 9 5.2. Radiated Emissions 11 6. TEST SETUP PHOTOS OF THE EUT .................................................. 16 7. EXTERNAL AND INTERNAL PHOTOS OF THE EUT .................................. 17 Report No.: CHTEW23010009 Page: 3 of 17 Issued: 2023-01-04 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2022-01) 1. TEST STANDARDS AND REPORT VERSION 1.1. Test Standards The tests were performed according to following standards: FCC CFR Title 47 Part 15 Subpart B - Unintentional Radiators ANSI C63.4: 2014 – American National Standard for Methods of Measurement of Radio-Noise Emissions from Low-Voltage Electrical and Electronic Equipment in the Range of 9 kHz to 40GHz 1.2. Report version Revision No. Date of issue Description N/A 2023-01-04 Original Report No.: CHTEW23010009 Page: 4 of 17 Issued: 2023-01-04 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2022-01) 2. TEST DESCRIPTION Test Item Section in CFR 47 Result Test Engineer Conducted Emissions 15.107(a) Pass Dongyang Wu Radiated Emissions 15.109(a) Pass Jianquan Wu Note: The measurement uncertainty is not included in the test result. Report No.: CHTEW23010009 Page: 5 of 17 Issued: 2023-01-04 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2022-01) 3. SUMMARY 3.1. Client Information 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 Manufacturer: 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 3.2. Product Description Main unit Name of EUT: Two Way Radio Trade Mark: RETEVIS Model/Type reference: RB66 Listed Model(s) - Power supply: DC 3.7V from battery Hardware version: HLD-588C-01V01 Software version: V1.0 Ancillary unit Charger information: Model:DC666 Input: 5.0Vd.c., 2.0A; Output: 4.2Vdc, 1800mA Adapter information: Model:QL010-0502000UU Input: AC100-240V, 50/60Hz, 0.45A Output: 5.0Vdc, 2.0A 3.3. Radio Specification Description Support Frequency Range: CH01~CH07: 462.5625MHz~ 462.7125MHz CH08~CH14: 467.5625MHz~ 467.7125MHz CH15~CH22: 462.5500MHz~ 462.7250MHz Modulation Type: FM Antenna Type: Integral Note: #1: Transmit unit of this two way radio, please refer to the FCC Part95 report. #2: This report only evaluate the receive function of this two way radio. Report No.: CHTEW23010009 Page: 6 of 17 Issued: 2023-01-04 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2022-01) 3.4. Testing Laboratory Information Laboratory Name Shenzhen Huatongwei International Inspection Co., Ltd. Laboratory Location 1/F, Bldg 3, Hongfa Hi-tech Indu…

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TEST SETUP PHOTOS OF THE EUT Conducted Emissions (AC Mains) Radiated Emissions (30MHz-1GHz) Radiated Emissions (Above 1GHz)