OA8-V25REPEATER

V25 GMRS REPEATER USER’S MANUAL LOGO To users: Welcome to choose our company repeater. We will provide you with the reliable,clearly, efficient communication service. In order to let you learn more functions, usage and maintenance method about this REPEATER, please read this manual carefully before you use the product. • Please keep the manual, in order to offer reference or use of this product • In order to safeguard your legitimate rights and interests from infringement, please seriously truthfully fill in when buying the company's products(with repair service card), and ask for the purchase vouchers of real and effective. • This product relates to upgarde or improve, the company reserves without prior notice to change this manual at any time above the rights of software and harware specifications • All specifications mentioned are only for reference. • Although all words are carefully check, it is hard to avoid errors, the company reserves the final explanation. Safety Information to Users For your efcient and safe use of this REAPTER, please read the following information carefully. • This repeater input power is DC15V or DC source. • The maintenance of this REPEATER can be only perormed by professional technicians. Unauthorized self-disassembly is not allowed. • To avoid EMC interference or EMC compliance problem, please do not install or use this REPEATER in areas with labels that read "Please Turn Of the Radio." • When in the car with airbags, do not install the REPEATER in the area where the airbags may be functioning. • When approaching the blasting area and the detonator area, please turn of the REPEATER first. • You are forbidden to operate this REPEATER in fammable and explosive environments. • Please do not place this REPEATER at a wet, rainy or overabundance of dust areas. • Please do not expose this REPEATER to direct sunlight for a long time or near the heating devices. • When install the REPEATER antenna outdoor, the lightning arrester must be install Firstly then connected to the antenna, and the chassis must be reliably grounded to prevent lightning. Welcome to choose our company REPEATER. We will provide you with the reliable,clearly,  Installing/Removing the Power Adapter Hold the power adapter connector and rotate it clockwise into the power port on the side of the REPEATER until it is securely tightened. To remove the power adapter, rotate it counter- clockwise and detach the connector.  Installing/Removing the Antenna or Feedline Hold the base of the antenna or one end of the feedline, and rotate it clockwise into the antenna por on the side of the REPEATER until it is securely tightened. To remove the antenna or feedline, rotate it counterclockwise and detach it.  Installation/Dismounting of Stand If necessary, the 4 mounts can be inserted into the screw holes on the rear panel of the REPEATER. To remove the mounts, unscrew the screws. ANT Get Familiar with the REPEATER ANT Power Data Com Port（DB-9） LOGO Key Functions 1.“MENU”Menu Button Short Press:Acts as the menu button on the standby interface; serves as the confirm button within menus. Long press:Locks or unlocks the keypad on the standby interface. 2.“▲”Upward Button Short Press : Cycle upward through the options in the menu. In standby mode, it increases the volume. (When the DB-9 interface of the repeater is connected to the speaker mic, a short press increases the speaker volume.) Long Press: Cycles through the channels in an increasing sequence in standby mode. 3.“▼”Downward Button Short Press : Cycle downward through the options in the menu. In standby mode, it decreases the volume. (When the DB-9 interface of the repeater is connected to the speaker mic, a short press decreases the speaker volume.) Long Press: Cycles through the channels in a decreasing sequence in standby mode. 4.“▲”Upward and“▼”Downward Pressed Simultaneously: Displays the sub-audio frequency of the current channel. Get Familiar with the REPEATER Seq.CharacterDescription 1 2 3 4 5 6 7 8 9 10 11 Reception Indicator Transmission Indicator Low Power High Power Keypad Lock Wideband Narrowband CTCSS CDCSS Low Temperature Mode Channel L W N CT DCS °C CH H Basic Operation 1.Channel lock Manual: Lock the channel by pressing and holding the MENU button for over 2 seconds; unlock by repeating the action. Auto: Automatically locks the keypad after 15 seconds of inactivity; unlock by pressing and holding the MENU button for over 2 seconds. 2.Backlight On: Backlight stays on. Off: Backlight stays off Auto: Backlight turns on with keypad operation or signal reception; turns off automatically after 10 seconds of inactivity 3.Low Temperature Mode Off: Low-temperature mode is off. On: When the ambient temperature reaches -15°C, the internal heating system activates, allowing the repeater to operate at -30°C. 4.Audio Set Adjustable audio output levels ranging from 0 to 9，when the device receives a signal, it outputs a corresponding audio amplitude via the DB9 interface level 0 disables audio output level 9 outputs approximately 150mV audio Radio Settings 1 2 3 4 5 6 7 Channel Lock Backlight Low Temperature Mode Audio Set Modem Set Init Option Software Version Manual / Auto On / Auto / Off On / Off 0-9 Levels -3 to +3 Adjustable Confirm On / Off Channel Lock Setting Display Screen Brightness Setting Low Temperature Operation Setting Audio output adjustable Microphone Gain Menu Reset to Factory Defaults Check Firmware Version Seq.FunctionOptions MenuDescription 5.Modem Set Adjustable from -3 to +3. It adjust the microphone gain. When the DB-9 interface of the repeater is connected to the speaker mic, adjust the microphone gain. -3: Minimum Microphone Gain 0: Medium Microphone Gain +3: Maximum Microphone Gain 6.Init Option Resets menu settings to default; does not affect frequency settings. 7.Software Version Displays the current software version of the radio. 8.Switch On: Activates the relay mode Off: Deactivates the relay mode 9.Delay Adjustable Le…

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Quanzhou Chierda Electronic Telecom Co., Ltd. Add: No.8,Zi'an Road,Jiangnan High-tech Industrial Zone Licheng District, Quanzhou Fujian, China Tel: +86-0595-28828859 Fax: +86-0595-28828800 E-mail: [email protected] Attestation Letter Date: 11/27/2025 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(5)(i)(ii) Filing FCC ID: OA8-V25 Quanzhou Chierda Electronic Telecom Co., Ltd. (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Quanzhou Chierda Electronic Telecom Co., Ltd. (“the applicant”) certifies that as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Quanzhou Chierda Electronic Telecom Co., Ltd. (“the applicant”) certifies that our product does not use Kaspersky's software information. Sincerely, Signature Contact Person: Anna Wang Title: Manager

U.S. AGENT LETTER OF ATTESTATION Date: 2025-11-27 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(7) Filing FCC ID: OA8-V25 Quanzhou Chierda Electronic Telecom Co., Ltd. certifies that, as of the date of the filing of the application, Iconsigh Inc. is our designated U.S. agent for service of process for the above referenced FCC ID. Quanzhou Chierda Electronic Telecom Co., Ltd. accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. Iconsigh Inc. accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information: Company Name: Iconsigh Inc. Address: 2310 Homestead Road, Suite C1, Los Altos, CA, 94024, USA FRN: 0033398652 Tel.: +1 (408) 320-9867 Email: [email protected] Signed by (printed name): Benjamin Kaur Signature: Applicant: Quanzhou Chierda Electronic Telecom Co., Ltd. Address: No.8,Zi'an Road,Jiangnan High-tech Industrial Zone Licheng District, Quanzhou Fujian, China FRN: 0021687819 Tel: +86-0595-28828859 Email: [email protected] Signed by (printed name): Anna Wang Signature:

QA-FR-170-B Quanzhou Chierda Electronic Telecom Co., Ltd. Add: No.8,Zi'an Road,Jiangnan High-tech Industrial Zone Licheng District, Quanzhou Fujian, China Tel: +86-0595-28828859 Fax: +86-0595-28828800 E-mail: [email protected] FCC Authorization Date: 2025-11-27 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We , Quanzhou Chierda Electronic Telecom Co., Ltd., Hereby authorizes Bay Area Compliance Laboratories Corp. (Xiamen) 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 Bay Area Compliance Laboratories Corp. (Xiamen) 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, Client’s signature Contact Person: Anna Wang Title: Manager

QA-FR-171-A Quanzhou Chierda Electronic Telecom Co., Ltd. Add: No.8,Zi'an Road,Jiangnan High-tech Industrial Zone Licheng District, Quanzhou Fujian, China Tel: +86-0595-28828859 Fax: +86-0595-28828800 E-mail: [email protected] FCC Confidential Authorization Date: 2025-1 1-27 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: OA8-V25 In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, Quanzhou Chierda Electronic Telecom Co., Ltd. hereby requests long-term confidential treatment of information accompanying this application as outlined below: Block Diagram Schematics Operation Description Tune up procedure BOM 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, Signature: Contact Person: Anna Wang Title:Manager

Quanzhou Chierda Electronic Telecom Co., Ltd. Add: No.8,Zi'an Road,Jiangnan High-tech Industrial Zone Licheng District, Quanzhou Fujian, China Tel: +86-0595-28828859 Fax: +86-0595-28828800 E-mail: [email protected] DECLARATION OF SIMILARITY Date: 2025-11-27 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Dear Sir or Madam: We, Quanzhou Chierda Electronic Telecom Co., Ltd., hereby declare that the product: REPEATER, FCC ID: OA8-V25. model: RT97L are electrically identical with the model: V25 which was tested by Bay Area Compliance Laboratories Corp. (Xiamen) with the same electromagnetic emissions and electromagnetic compatibility characteristics. A description of the differences between those models and that are declared similar are as follows: They are the same product, just different model name, color and appearance(pattern),the rest are the same. Please contact me should there be need for any additional clarification or information. Best Regards, Signature: Printed name: Anna Wang Title: Manager

Bay Area Compliance Laboratories Corp. (Xiamen) Report No.: 2507S15659E-RF-EXP Page 1 / 12 EUT EXTERNAL PHOTOS V25 Bay Area Compliance Laboratories Corp. (Xiamen) Report No.: 2507S15659E-RF-EXP Page 2 / 12 Bay Area Compliance Laboratories Corp. (Xiamen) Report No.: 2507S15659E-RF-EXP Page 3 / 12 Bay Area Compliance Laboratories Corp. (Xiamen) Report No.: 2507S15659E-RF-EXP Page 4 / 12 Bay Area Compliance Laboratories Corp. (Xiamen) Report No.: 2507S15659E-RF-EXP Page 5 / 12 Bay Area Compliance Laboratories Corp. (Xiamen) Report No.: 2507S15659E-RF-EXP Page 6 / 12 RT97L Bay Area Compliance Laboratories Corp. (Xiamen) Report No.: 2507S15659E-RF-EXP Page 7 / 12 Bay Area Compliance Laboratories Corp. (Xiamen) Report No.: 2507S15659E-RF-EXP Page 8 / 12 Bay Area Compliance Laboratories Corp. (Xiamen) Report No.: 2507S15659E-RF-EXP Page 9 / 12 Bay Area Compliance Laboratories Corp. (Xiamen) Report No.: 2507S15659E-RF-EXP Page 10 / 12 Bay Area Compliance Laboratories Corp. (Xiamen) Report No.: 2507S15659E-RF-EXP Page 11 / 12 Bay Area Compliance Laboratories Corp. (Xiamen) Report No.: 2507S15659E-RF-EXP Page 12 / 12

Bay Area Compliance Laboratories Corp. (Xiamen) Report No.: 2507S15659E-RF-INP Page 1 / 15 EUT INTERNAL PHOTOS V25 Bay Area Compliance Laboratories Corp. (Xiamen) Report No.: 2507S15659E-RF-INP Page 2 / 15 Bay Area Compliance Laboratories Corp. (Xiamen) Report No.: 2507S15659E-RF-INP Page 3 / 15 Bay Area Compliance Laboratories Corp. (Xiamen) Report No.: 2507S15659E-RF-INP Page 4 / 15 Bay Area Compliance Laboratories Corp. (Xiamen) Report No.: 2507S15659E-RF-INP Page 5 / 15 Bay Area Compliance Laboratories Corp. (Xiamen) Report No.: 2507S15659E-RF-INP Page 6 / 15 Bay Area Compliance Laboratories Corp. (Xiamen) Report No.: 2507S15659E-RF-INP Page 7 / 15 Bay Area Compliance Laboratories Corp. (Xiamen) Report No.: 2507S15659E-RF-INP Page 8 / 15 RT97L Bay Area Compliance Laboratories Corp. (Xiamen) Report No.: 2507S15659E-RF-INP Page 9 / 15 Bay Area Compliance Laboratories Corp. (Xiamen) Report No.: 2507S15659E-RF-INP Page 10 / 15 Bay Area Compliance Laboratories Corp. (Xiamen) Report No.: 2507S15659E-RF-INP Page 11 / 15 Bay Area Compliance Laboratories Corp. (Xiamen) Report No.: 2507S15659E-RF-INP Page 12 / 15 Bay Area Compliance Laboratories Corp. (Xiamen) Report No.: 2507S15659E-RF-INP Page 13 / 15 Bay Area Compliance Laboratories Corp. (Xiamen) Report No.: 2507S15659E-RF-INP Page 14 / 15 Bay Area Compliance Laboratories Corp. (Xiamen) Report No.: 2507S15659E-RF-INP Page 15 / 15

RF EXPOSURE REPORT For Quanzhou Chierda Electronic Telecom Co., Ltd. No.8,Zi’an Road,Jiangnan High-tech Industrial Zone Licheng District, Quanzhou Fujian, China FCC ID: OA8-V25 Report Type: Original Report Product Name: REPEATER Report Number: 2507S15659E-RF-02 Report Date: 2025-12-05 Reviewed By: Ash Lin Approved By: Miles Chen Prepared By : Bay Area Compliance Laboratories Corp. (Xiamen) Unit 102, No. 902 Meifeng South Road, Binhai West Avenue, Science and Technology Innovation Park, Torch High tech Zone XiaMen Tel: +86-592-3200111 www.baclcorp.com.cn Bay Area Compliance Laboratories Corp. (Xiamen) Report No.: 2507S15659E-RF-02 Page 2 of 7 TABLE OF CONTENTS REPORT REVISION HISTORY................................................................................................................................. 3 GENERAL INFORMATION ....................................................................................................................................... 4 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 4 FCC§15.247 (i), §1.1307(b)(1) & §2.1091 – MAXIMUM PERMISSIBLE EXPOSURE (MPE) ............................ 5 CALCULATED DATA: .................................................................................................................................................... 5 EUT PHOTOGRAPHS ................................................................................................................................................. 6 Bay Area Compliance Laboratories Corp. (Xiamen) Report No.: 2507S15659E-RF-02 Page 3 of 7 REPORT REVISION HISTORY Number of Revisions Report No. Version Issue Date Description 0 2507S15659E-RF-02 R1V1 2025-12-05 Initial Release Bay Area Compliance Laboratories Corp. (Xiamen) Report No.: 2507S15659E-RF-02 Page 4 of 7 GENERAL INFORMATION Product Description for Equipment under Test (EUT) Product Name: REPEATER Tested Model: V25 Multiple Model(s): RT97L Trade Mark: N/A Adapter Information Model: NT-1501000D1 Input: AC 100-240V, 50/60Hz, 2.5A Max Output: DC 15.0V, 10.0A, 150.0W Power Supply: DC 15V from adapter or DC source Maximum Conducted Output Power: 43.64dBm Modulation Technique: FM EUT Received Status: Good Note: 1. The EUT supplied by the applicant was received on 2025-10-09 Test Facility The Test site used by Bay Area Compliance Laboratories Corp. (Xiamen) to collect test data is located on the Unit 102, No. 902 Meifeng South Road, Binhai West Avenue, Science and Technology Innovation Park, Torch High tech Zone XiaMen. Bay Area Compliance Laboratories Corp. (Xiamen) Lab is accredited to ISO/IEC 17025 by A2LA (Certificate Number: 7134.01) and the lab has been recognized as the FCC accredited lab under the KDB 974614 D01, the FCC Designation No. : CN1384. Bay Area Compliance Laboratories Corp. (Xiamen) Report No.: 2507S15659E-RF-02 Page 5 of 7 FCC§95.385 (a) § 2.1091 – MAXIMUM PERMISSIBLE EXPOSURE (MPE) Applicable Standard According to subpart 95.385 (a) & subpart 2.1091, systems operating under the provisions of this section shall be operated in a manner that ensure that the public is not exposed to radio frequency energy level in excess of the Commission’s guideline. Limits for Maximum Permissible Exposure (MPE) f = frequency in MHz; * = Plane-wave equivalent power density; Calculated Formulary: Predication of MPE limit at a given distance S = PG/4πR² = power density (in appropriate units, e.g. mW/cm 2 ); P = power input to the antenna (in appropriate units, e.g., mW); G = power gain of the antenna in the direction of interest relative to an isotropic radiator, the power gain factor, is normally numeric gain; R = distance to the center of radiation of the antenna (appropriate units, e.g., cm); Calculated Data: For worst case: Mode Frequency (MHz) Antenna Gain Tune-up Output Power★ Evaluation Distance (cm) Power Density (mW/cm 2 ) MPE Limt (mW/cm 2 ) (dBi) (numeric) (dBm) (mW) FM 462.550- 462.725 0 1.0 44 25118.86 130 0.1183 0.308 Note: 1. The Tune-up output power was declared by the Manufacturer. To maintain compliance with the FCC’s RF exposure guidelines, place the equipment at least 130cm from nearby persons. Result: Compliant Bay Area Compliance Laboratories Corp. (Xiamen) Report No.: 2507S15659E-RF-02 Page 6 of 7 EUT PHOTOGRAPHS Please refer to the attachment 2507S15659E-RF-EXP EUT EXTERNAL PHOTOGRAPHS and 2507S15659E-RF-INP EUT INTERNAL PHOTOGRAPHS. Bay Area Compliance Laboratories Corp. (Xiamen) Report No.: 2507S15659E-RF-02 Page 7 of 7 Declarations 1. Bay Area Compliance Laboratories Corp. (Xiamen) is not responsible for authenticity of any information provided by the applicant. Information from the applicant that may affect test results are marked with an asterisk “★”. 2. Unless otherwise stated, the results shown in this test report refer only to the sample(s) tested. 3. Unless required by the rule provided by the applicant or product regulations, then decision rule in this report did not consider the uncertainty. 4. The extended uncertainty given in this report is obtained by combining the standard uncertainty times the coverage factor k=2 with the 95% confidence interval. 5. This report cannot be reproduced except in full, without prior written approval of Bay Area Compliance Laboratories Corp. (Xiamen). 6. 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. ***** END OF REPORT *****

FCC PART 95 TEST REPORT For Quanzhou Chierda Electronic Telecom Co., Ltd. No .8,Zi’an Road,Jiangnan High-tech Industrial Zone Licheng District, Quanzhou Fujian, China Report Type: Original Report Product Name: REPEATER Report Number: 2507S15659E-RF-01 Re port Date: 2025-10-21 Reviewed By: Ash Lin Approved By: Miles Chen Prepared By : Bay Area Compliance Laboratories Corp. (Xiamen) Unit 102, No. 902 Meifeng South Road, Binhai West Avenue, Science and Technology Innovation Park, Torch High tech Zone XiaMen Tel: +86-592-3200111 www.baclcorp.com.cn FCC ID: OA8-V25 Bay Area Compliance Laboratories Corp. (Xiamen) Report No.: 2507S15659E-RF-01 FCC Part 95 Page 2 of 51 TABLE OF CONTENTS REPORT REVISION HISTORY ................................................................................................................................ 4 GENERAL INFORMATION ....................................................................................................................................... 5 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 5 OBJECTIVE ................................................................................................................................................................... 5 TEST METHODOLOGY .................................................................................................................................................. 5 MEASUREMENT UNCERTAINTY .................................................................................................................................... 6 TEST FACILITY ............................................................................................................................................................. 6 SYSTEM TEST CONFIGURATION .......................................................................................................................... 7 TEST MODE AND VOLTAGE .......................................................................................................................................... 7 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 7 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 7 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................... 8 EXTERNAL I/O CABLE .................................................................................................................................................. 8 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 8 SUMMARY OF TEST RESULTS ............................................................................................................................. 10 TEST EQUIPMENT LIST ......................................................................................................................................... 11 FCC§2.1055(D), §95.1765 –GMRS FREQUENCY ACCURACY ........................................................................... 12 APPLICABLE STANDARD ............................................................................................................................................ 12 EUT SETUP BLOCK DIAGRAM ................................................................................................................................... 12 TEST PROCEDURE ...................................................................................................................................................... 12 TEST DATA ................................................................................................................................................................ 13 FCC §2.1046, §95.1767 –RF OUTPUT POWER ...................................................................................................... 14 APPLICABLE STANDARD ............................................................................................................................................ 14 TEST SETUP BLOCK DIAGRAM ................................................................................................................................... 14 TEST PROCEDURE ...................................................................................................................................................... 14 TEST DATA ................................................................................................................................................................ 15 FCC §95.1771-GMRS EMISSION TYPE ................................................................................................................. 18 APPLICABLE STANDARD ............................................................................................................................................ 18 FCC §95.1773 GMRS AUTHORIZED BANDWIDTH ............................................................................................ 19 APPLICABLE STANDARD ............................................................................................................................................ 19 EUT SETUP BLOCK DIAGRAM ................................................................................................................................... 19 TEST PROCEDURE ...................................................................................................................................................... 19 TEST DATA ................................................................................................................................................................ 20 FCC §2.1047, §95.1775 - GMRS MODULATION…

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Bay Area Compliance Laboratories Corp. (Xiamen) Report No.: 2507S15659E-RF-TSP-01 Page 1 / 2 EUT SETUP PHOTOS RSE - Front View (Below 1 GHz) RSE - Back View (Below 1 GHz) Bay Area Compliance Laboratories Corp. (Xiamen) Report No.: 2507S15659E-RF-TSP-01 Page 2 / 2 RSE - Front View (Above 1 GHz) RSE - Back View (Above 1 GHz)