2BTMW-G35car navigation

0000 1 23456 FCC ID: 2BTMW-G35 car navigation WIRING CONNECTIONS: GPS ANTENNA ' , RADIO ANTENNA ' O o A1: FL SpPEAKER+r,Nhite) A:2.: RR SPEAKER-(Purple black) A3: FL SPEAKER-(White black) A4: RR SPEAKER+(Purple) AS: FR SPEAKER+(Gray) A6: RL SPEAKER+(Green) A7: FR SPEAKE-(Gray black) AB: RL SPEAKER-(Green black) A9: KEY1 Steering wheel control A10: Auto antenna A11: Car reversing control wire A 12: KEY2 Steering wheel control A13: ACC wire(Red) A14: ILLUMINATE control wire A15: GROUND{Black) A16: B+ POWER wire<:'fellow) B1/B2:MIC-/MIC+ (Optional) B3:VIDEO-IN2(Yellow/Optional) B4: VIDEO-IN 1/Yellow) B6: SUB-OUT(Optional) B8:VIDEO-OUT(Yellow/Optional} B15/17: AUX-IN UR (White/red) B16/18: RCA-OUT UR (White/red) B 19: Amplifer control wire C: REAR USB 1 D: REAR USB 2 E 1: Handbrake control wire(Optional) E2: WiFi antenna E3: Back Cam Power(Optional) E6: CAM-IN (Yellow) E10: BT antenna This terminal cable must be connected, otherwise it will affect the signal strength of WiFi and Bluetooth. .2. 0000 123456 This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: -Reorient or relocate the receiving antenna. -Increase the separation between the equipment and receiver. -Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -Consult the dealer or an experienced radio/TV technician for help. -This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body.

Shenzhen Ronghangda Electronics Co., Ltd Covered Equipment Certification Attestation Letter 11/21/2025 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA ATTN.: Reviewing Engineer FCC ID: 2BTMW-G35 Shenzhen Ronghangda Electronics 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. Note: If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List, the applicant should include an explanation on why the equipment is not “covered” equipment. Shenzhen Ronghangda Electronics 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 a specifically named entity or any of its subsidiaries or affiliates) as an entity producing “covered” equipment. Shenzhen Ronghangda Electronics Co., Ltd (“the applicant”) certifies that the equipment for which authorization is sought does not include cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, including equipment with integrated Kaspersky Lab, Inc. (or any of its successors and assignees) cybersecurity or anti-virus software pursuant to DA-24-886 and KDB 986446 D01 Covered Equipment Guidance section B(2a). <Signature>: Name: Jack Bu Title: Manager Company: Shenzhen Ronghangda Electronics Co., Ltd Date: 11/21/2025

Shenzhen Ronghangda Electronics Co., Ltd * the applicant must designate a contact located in the United States for purposes of acting as the applicant’s agent for service of process, regardless of whether the applicant is a domestic or foreign entity. An applicant located in the United States may designate itself as the agent for service of process. U.S. Agent Designation for Service of Process - Certification Attestation Letter 11/21/2025 TO: Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 ATTN.: Reviewing Engineer FCC ID: 2BTMW-G35 FRN of applicant: 0037676624 Per section 2.911(d)(7) of the FCC rules, [Shenzhen Ronghangda Electronics Co., Ltd] (“the applicant”) certifies that the equipment for which authorization is sought is designated to the following U.S. agent* for service of process: Company Name: Herland International Trading Inc FCC Registration Number (FRN): 0036324101 Physical U.S. Company Address: 1370 Valley Vista Dr Ste 200 Diamond Bar, CA 91765 Contact Person: Jianfeng Gao Agent Email Address: [email protected] The above contact person accepts the obligation for service of process. The applicant 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. Applicant Signed: Signed: Printed name: Jack bu Title: Manager Company Name: Shenzhen Ronghangda Electronics Co., Ltd Date: 11/21/2025 Agent Signed (if different from Applicant): Signed: Printed name: Jianfeng Gao Title: Manager Company Name: Herland International Trading Inc Date: 11/21/2025

Shenzhen Ronghangda Electronics Co., Ltd 2025-11-21 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2BTMW-G35 Product Name: car navigation Request for Confidentiality Pursuant to Sections 0.457 and 0.459 of the commission’s 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 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. <Signature>: Name: Jack Bu Title: Manager Company: Shenzhen Ronghangda Electronics Co., Ltd

Shenzhen Ronghangda Electronics Co., Ltd 2025-11-21 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 Authority to Act as Agent On our behalf, I appoint Shenzhen DL Testing Technology Co., Ltd.（101-201, Comprehensive Building, Tongzhou Electronics Longgang Factory Area, No.1 Baolong Fifth Road, Baolong Community, Baolong Street, Longgang District, Shenzhen, China）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 the Federal 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, still resides with Shenzhen Ronghangda Electronics Co., Ltd（Unit 1622, Bldg A, Zhongan Sci- Tech Park, 117 Huanning Rd, Xinshe Community, Dalang St, Longhua Dist, Shenzhen） <Signature>: Name: Jack Bu Title: Manager Company: Shenzhen Ronghangda Electronics Co., Ltd

Shenzhen Ronghangda Electronics Co., Ltd 2025-11-21 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Compliance Testing, LLC to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). Sincerely, <Signature>: Name: Jack Bu Title: Manager Company: Shenzhen Ronghangda Electronics Co., Ltd

Shenzhen Ronghangda Electronics Co., Ltd FCC ID: 2BTMW-G35 Product Similarity Declaration Applicant: Shenzhen Ronghangda Electronics Co., Ltd Address: Unit 1622, Bldg A, Zhongan Sci-Tech Park, 117 Huanning Rd, Xinshe Community, Dalang St, Longhua Dist, Shenzhen Manufacturer: Shenzhen Ronghangda Electronics Co., Ltd Address: Unit 1622, Bldg A, Zhongan Sci-Tech Park, 117 Huanning Rd, Xinshe Community, Dalang St, Longhua Dist, Shenzhen Product Name: car navigation Trade Mark: N/A Model Number: G35, G25, G37, FX35 We (Shenzhen Ronghangda Electronics Co., Ltd) hereby state that all the models are electrical identical including the same software parameter and hardware design (i.e., circuit design, PCB Layout, RF module/circuit, antenna type(s) and antenna location, components on PCB, etc.,), same mechanical structure and design (including product enclosure, materials, etc.,), All models are the same as the samples except for the model name, appearance color. <Signature>: Name: Jack Bu Title: Manager Company: Shenzhen Ronghangda Electronics Co., Ltd

Shenzhen Ronghangda Electronics Co., Ltd Product function Declaration Applicant: Shenzhen Ronghangda Electronics Co., Ltd Address: Unit 1622, Bldg A, Zhongan Sci-Tech Park, 117 Huanning Rd, Xinshe Community, Dalang St, Longhua Dist, Shenzhen Manufacturer: Shenzhen Ronghangda Electronics Co., Ltd Address: Unit 1622, Bldg A, Zhongan Sci-Tech Park, 117 Huanning Rd, Xinshe Community, Dalang St, Longhua Dist, Shenzhen Product Name: car navigation Trade Mark: N/A Model Number: G35, G25, G37, FX35 We (Shenzhen Ronghangda Electronics Co., Ltd) here by state that The product has (WIFI5G) function at the beginning of design. However, due to the iteration of the product, this function is no longer required at present, so through the (Software mask) method, the function is forced off, and the product (FCC ID: 2BTMW-G35) no longer has the (WIFI5G) function. Signature: <Signature>: Name: Jack Bu Title: Manager Company: Shenzhen Ronghangda Electronics Co., Ltd

Shenzhen DL Testing Technology Co., Ltd. EUT PHOTO(External Photos) GPS RX ANT Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. ※※※※※ END OF REPORT ※※※※※ FM RX ANT PORT GPS RX ANT PORT

Size:26*22mm M/N: G35 FCC ID: 2BTMW-G35 Label location

Shenzhen DL Testing Technology Co., Ltd. EUT PHOTO(Internal Photos) Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. WIFI ANT BT ANT Shenzhen DL Testing Technology Co., Ltd. ※※※※※ END OF REPORT ※※※※※

FCC ID: 2BTMW-G35 RF Exposure Evaluation Limits The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency (RF) radiation as specified in KDB 447498 D01 V06 and 1.1307(b) Limits for Maximum Permissible Exposure (MPE) Frequency range (MHz) Electric field strength (V/m) Magnetic field strength (A/m) Power density (mW/cm 2 ) Averaging time (minutes) (A) Limits for Occupational/Controlled Exposures 0.3–3.0 614 1.63 *(100) 6 3.0–30 1842/f 4.89/f *(900/f 2 ) 6 30–300 61.4 0.163 1.0 6 300–1500 f/300 6 1500–100,000 5 6 (B) Limits for General Population/Uncontrolled Exposure 0.3–1.34 614 1.63 *(100) 30 1.34–30 824/f 2.19/f *(180/f 2 ) 30 30–300 27.5 0.073 0.2 30 300–1500 f/1500 30 1500–100,000 1.0 30 f = frequency in MHz Friis transmission formula: Pd = (Pout*G)/(4*pi*r 2 ) Where Pd = power density in mW/cm 2 , Pout = output power to antenna in mW; G = gain of antenna in linear scale, Pi = 3.1416; R = distance between observation point and center of the radiator in cm Pd id the limit of MPE, 1 mW/cm 2 . If we know the maximum gain of the antenna and the total power input to the antenna, through the calculation, we will know the distance r where the MPE limit is reached. Test Procedure Software provided by client enabled the EUT to transmit and receive data at lowest, middle and highest channel individually. Test Result of RF Exposure Evaluation wifi 2.4G mode Channel Output power to antenna (dBm) Output power to antenna (mW) Power Density at R=20cm (mW/cm 2 ) Limit (mW/cm 2 ) Result 802.11b 12.32 17.0608 0.0054 1.0 PASS 802.11g 11.86 15.3462 0.0048 1.0 PASS 802.11n HT20 10.68 11.6950 0.0037 1.0 PASS 802.11n HT40 9.01 7.9616 0.0025 1.0 PASS Remark: antenna gain=2dBi BT mode Channel Output power to antenna (dBm) Output power to antenna (mW) Power Density at R=20cm (mW/cm 2 ) Limit (mW/cm 2 ) Result GFSK 1.21 1.3213 0.0004 1.0 PASS π/4 DQPSK 1.86 1.5346 0.0005 1.0 PASS 8DPSK -0.75 0.8414 0.0003 1.0 PASS Remark: antenna gain=2dBi For Simultaneous transmitting, 1): The sum of the ratios of the spatially averaged results to the applicable frequency dependent MPE limits =0.0054/1 +0.0005/1 = 0.0059< 1 Since the sum of the MPE ratios for all simultaneously transmitting antennas incorporated in the device is ≤ 1.0, the EUT is considered to satisfy MPE compliance for simultaneous transmission operations.

PRODUCT SPECIFICATION 产品规格书 PART NO. 产品型号： BT/WIFI_2.4G Customer 客户名称： Customer P/N 客户料号： Issue Date 发布日期： 2014-4-22 Checked 审核 Prepared 制作 Customer Approve 客户核准 Department部门 Signature 签字 BT/WIFI_2.4G BT/WIFI_2.4G Frequency range（MHz） 2400-2483 Polarization Vertical Gain（dBi） 2 Impedance (Ω) 50 Maximum Input Power (W) 50 VSWR ≤2.0 BT/WIFI_2.4G Connector SMA-JW Length (mm) 50 Radome material Plastic Radome color Black Operation Temperature (°C) -30~80 Humidity (%) 5~95 BT/WIFI_2.4G Product outline drawing (mm)

Shenzhen DL Testing Technology Co., Ltd. Report No.: DLE-251023110R Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 1 of 46 FCC Part 15C Test Report FCC ID: 2BTMW-G35 Applicant: Shenzhen Ronghangda Electronics Co., Ltd Address: Unit 1622, Bldg A, Zhongan Sci-Tech Park, 117 Huanning Rd, Xinshe Community, Dalang St, Longhua Dist, Shenzhen Manufacturer: Shenzhen Ronghangda Electronics Co., Ltd Address: Unit 1622, Bldg A, Zhongan Sci-Tech Park, 117 Huanning Rd, Xinshe Community, Dalang St, Longhua Dist, Shenzhen Product Name: car navigation Trade Mark: N/A Model Number: G35, G25, G37, FX35 Date of Receipt: Nov. 10, 2025 Test Date: Nov. 10, 2025 - Nov. 24, 2025 Date of Report: Nov. 24, 2025 Prepared By: Shenzhen DL Testing Technology Co., Ltd. Address: 101-201, Comprehensive Building, Tongzhou Electronics Longgang Factory Area, No.1 Baolong Fifth Road, Baolong Community, Baolong Street, Longgang District, Shenzhen, China Applicable Standards: FCC PART 15 C 15.247 ANSI C63.10:2020 Test Result: Pass Report Number: DLE-251023110R Prepared (Test Engineer): Alisa Song Reviewer (Supervisor): Jack Bu Approved (Manager): Jade Yang This test report is based on a single evaluation of one sample of above mentioned products. It is not permitted to be duplicated in extracts without written approval of Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. Report No.: DLE-251023110R Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 2 of 46 Table of Contents Page 1 . SUMMARY OF TEST RESULTS 4 1.1 MEASUREMENT UNCERTAINTY 4 2 . GENERAL INFORMATION 5 2.1 GENERAL DESCRIPTION OF EUT 5 2.2 DESCRIPTION OF TEST MODES 6 2.3 BLOCK DIGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED 6 2.4 DESCRIPTION OF SUPPORT UNITS(CONDUCTED MODE) 7 2.5 TABLE OF PARAMETERS OF TEST SOFTWARE SETTING 7 2.6 EQUIPMENTS LIST FOR ALL TEST ITEMS 8 3 . EMC EMISSION TEST 9 3.1 CONDUCTED EMISSION MEASUREMENT 9 3.1.1 POWER LINE CONDUCTED EMISSION LIMITS 9 3.1.2 TEST PROCEDURE 9 3.1.3 DEVIATION FROM TEST STANDARD 9 3.1.4 TEST SETUP 10 3.1.5 EUT OPERATING CONDITIONS 10 3.1.6 TEST RESULTS 10 3.2 RADIATED EMISSION MEASUREMENT 11 3.2.1 RADIATED EMISSION LIMITS 11 3.2.2 TEST PROCEDURE 12 3.2.3 DEVIATION FROM TEST STANDARD 12 3.2.4 TEST SETUP 12 3.2.5 EUT OPERATING CONDITIONS 13 3.2.6 TEST RESULTS (BETWEEN 9KHZ – 30 MHZ) 14 3.2.7 TEST RESULTS (BETWEEN 30MHZ – 1GHZ) 15 3.2.8 TEST RESULTS (1GHZ~25GHZ) 17 3.3 RADIATED BAND EMISSION MEASUREMENT 21 3.3.1 TEST REQUIREMENT: 21 3.3.2 TEST PROCEDURE 21 3.3.3 DEVIATION FROM TEST STANDARD 21 3.3.4 TEST SETUP 22 3.3.5 EUT OPERATING CONDITIONS 22 3.4 CONDUCTED BAND EDGE EMISSION&CONDUCTED SPURIOUS EMISSIONS MEASUREMENT 27 3.4.1 APPLICABLE STANDARD 27 3.4.2 TEST PROCEDURE 27 3.4.3 DEVIATION FROM STANDARD 27 Shenzhen DL Testing Technology Co., Ltd. Report No.: DLE-251023110R Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 3 of 46 Table of Contents Page 3.4.4 TEST SETUP 27 3.4.5 EUT OPERATION CONDITIONS 27 3.4.6 TEST RESULTS 27 4 . AVERAGE OUTPUT POWER 32 4.1 APPLIED PROCEDURES / LIMIT 32 4.1.1 TEST PROCEDURE 32 4.1.2 DEVIATION FROM STANDARD 32 4.1.3 TEST SETUP 32 4.1.4 EUT OPERATION CONDITIONS 32 4.1.5 TEST RESULTS 33 5 . POWER SPECTRAL DENSITY TEST 36 5.1 APPLIED PROCEDURES / LIMIT 36 5.1.1 TEST PROCEDURE 36 5.1.2 DEVIATION FROM STANDARD 36 5.1.3 TEST SETUP 36 5.1.4 EUT OPERATION CONDITIONS 36 5.1.5 TEST RESULTS 37 6 . 6DB BANDWIDTH TEST 40 6.1 APPLIED PROCEDURES / LIMIT 40 6.1.1 TEST PROCEDURE 40 6.1.2 DEVIATION FROM STANDARD 40 6.1.3 TEST SETUP 40 6.1.4 EUT OPERATION CONDITIONS 40 6.1.5 TEST RESULTS 41 7 . ANTENNA REQUIREMENT 46 7.1 STANDARD REQUIREMENT 46 7.2 EUT ANTENNA 46 8 . TEST SEUUP PHOTO 46 9 . EUT PHOTO 46 Shenzhen DL Testing Technology Co., Ltd. Report No.: DLE-251023110R Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 4 of 46 1.. SUMMARY OF TEST RESULTS Test procedures according to the technical standards: FCC Part15 (15.247) , Subpart C Standard Section Test Item Judgment Remark 15.207 Conducted Emission N/A 15.205, 15.209, 15.247(d) Radiated Spurious Emission PASS 15.209, 15.205 Band Edge Emission PASS 15.247(d) Conducted Spurious Emissions PASS 15.247(b) Average Output Power PASS 15.247(a)(2) 6dB Bandwidth PASS 15.247(e) Power Spectral Density PASS 15.203 Antenna Requirement PASS NOTE: (1)” N/A” denotes test is not applicable in this Test Report Test lab: Shenzhen DL Testing Technology Co., Ltd. Address: 101-201, Comprehensive Building, Tongzhou Electronics Longgang Factory Area, No.1 Baolong Fifth Road, Baolong Community, Baolong Street, Longgang District, Shenzhen, China FCC Test Firm Registration Number: 854456 Designation Number: CN1307 IC Registered No.: 27485 CAB ID.: CN0118 1.1. MEASUREMENT UNCERTAINTY The reported uncertainty of measurement y ± U, where expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2，providing a level of confidence of approximately 95 %。 No. Item Uncertainty 1 Conducted Emission Test ±2.56dB 2 RF power,conducted ±0.42dB 3 Spurious emissions,conducted ±2.76dB 4 All emissions,radiated(<1G) ±3.65dB 5 All emissions,radiated(>1G) ±4.89dB 6 Temperature ±0.5°C 7 Humidity ±2% 8 6dB Bandwidth ±0.2% 9 Power Spectral Density ±2.45dBm Shenzhen DL Testing Technology Co., Ltd. Report No.: DLE-251023110R Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 5 of 46 2.. GENERAL INFORMATION 2.1. GENERAL DESCRIPTION OF EUT Product Name: car navigation Trade Mark: N/A Model Number: G35, G25, G37, FX35 Test Model: G35 Model Difference All models are same as the samples except model name and appearance color, they have the same structure and circuit. Operation Frequency: 2412~2462 MHz for 802.11b/g/nHT20 2422~2452 MHz for 802.11nHT40 Channel numbers: 11 Channels for 802.11b/g/n(HT20) 7 channels for 802.11nHT40 Channel separation: 5MHz Modulation technology: 802.11…

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Shenzhen DL Testing Technology Co., Ltd. EUT TEST PHOTO Radiated Measurement Photos ※※※※※ END OF REPORT ※※※※※