2AVAW-TRD312UB-BURadio

Continental Aftermarket & Services GmbH Internal Covered Equipment Certification Attestation Letter 2025-09-29 Nemko North America, Inc. 303 River Road Ottawa K1V 1H2 Canada ATTN.: Reviewing Engineer FCC ID:2AVAW-TRD312UB-BU Continental Aftermarket & Services GmbH (“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. Continental Aftermarket & Services GmbH (“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. Continental Aftermarket & Services GmbH (“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). Signed: Printed name: Alain Vaillant Title: Product Manager Company Name: Continental Aftermarket & Services GmbH Address: Sodener Strasse 9,65824 Schwalbach am Taunus, Germany Phone: +33614610789 E-Mail: [email protected] Date: 2025-09-29

1/1 Internal US Agent for Service of Process LETTER OF ATTESTATION TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 US Agent for Service of Process: Company Name: Continental Automotive Systems, Inc. FRN: 0022069249 Contact Name: Mark Kenny Address: 1 Continental Dr, Auburn Hills, Michigan, USA 48326 Telephone No: (248) 393-5300 Email: [email protected] Applicant: Company name: Continental Aftermarket & Services GmbH Product Description: Radio Grantee code: 2AVAW FCC ID: 2AVAW-TRD312UB-BU FRN：0029024874 Contact Name: Alain Vaillant Address: Sodener Strasse 9,65824 Schwalbach am Taunus, Germany Telephone No: +33614610789 Email: [email protected] Continental Aftermarket & Services GmbH certifies that, as of the date of this filing of the application with the TCB, [Continental Automotive Systems, Inc.] is our designated US agent for service of process for the above referenced FCC ID. Continental Aftermarket & Services GmbH 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 equipment. [Continental Automotive Systems, Inc.] accepts, as of the date of the filing of the application, the obligation of the designated US agent for service of process for the above reference FCC ID. The US Agent for Service of Process is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. The Applicant is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. Date: 2025-09-30 Applicant’s Name: Alain Vaillant US Agent’s Name: Mark Kenney Title: Product Manager Title: Homologation Engineer Signature： Signature

Continental Aftermarket & Services GmbH Internal 2025-09-29 Nemko North America, Inc. 303 River Road Ottawa, Ontario, Canada K1V 1H2 AUTHORITY TO ACT AS AGENT - FCC On our behalf, I appoint Damon Hu, Guangdong Dongdian Testing Service Co.,Ltd.( Unit 2, Building 1, No.17, Zongbu 2nd Road, Songshan Lake Park, Dongguan, Guangdong, China, 523808), 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 FCC regulations will have affixed to it a label identical to that submitted for approval with this application. In signing this letter, Applicant certifies that neither the applicant nor any party to the application is not subject to a denial of Federal benefits, that include FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. § 862 because of a conviction for possession or distribution of a controlled substance. See 47 CFR 1.2002(b) for the definition of a "party" for these purposes. 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 North America Inc., still resides still resides with us. Sincerely, Printed name: Alain Vaillant Title: Company Name: Continental Aftermarket & Services GmbH Address: Sodener Strasse 9,65824 Schwalbach am Taunus, Germany Phone: +33614610789 E-Mail: [email protected] Date: 2025-09-25

Continental Aftermarket & Services GmbH Internal 2025-09-29 Nemko North America, Inc. 303 River Road Ottawa, Ontario, Canada K1V 1H2 REQUEST FOR CONFIDENTIALITY – FCC FCC ID: 2AVAW-TRD312UB-BU Pursuant to Sections 0.457(d) and 0.459 of the Commission’s Rules and FCC Guidance document 726920, we hereby request permanent confidential treatment of exhibits identified as such in the table below and request they are permanently withheld from public review based on the documents containing trade secrets and proprietary information not customarily released to the public. The public disclosure of this information might be harmful to the applicant and provide unjustified benefits to its competitors. We also request short-term confidentiality on certain exhibits until the intended date of marketing as outlined below. We request the exhibits be withheld from public view for a period of 180 days. We attest marketing of the product will only commence after the period of short-term confidentiality expires, or if marketing is to commence before the requested number of days listed above, the grantee will inform Nemko to release the Short-Term Confidentiality information withheld on the FCC equipment authorization website. Exhibit Type of Confidentiality Requested Block Diagrams ☒ Permanent ☐ Short Term External Photos ------------------ ☒ Short Term Internal Photos ☐ Permanent* ☒ Short Term Operation Description ☒ Permanent ☐ Short Term Parts List & Placement/BOM Permanent ☐ Short Term Tune-Up Procedure ☐ Permanent Short Term Schematic Diagrams ☒ Permanent ☐ Short Term Test Setup Photos ------------------ ☒ Short Term User’s Manual ☐ Permanent* ☒ Short Term The asterisked items (*) require further information to be provided in this justification letter before permanent confidentiality will be extended to these exhibits. Please refer to FCC KDB 726920 D01 found at: https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=41731 and review section II, 3) regarding specific information that must accompany these requests. Note: any documents held under the Short-Term confidentiality will automatically become public after the requested time if an appropriate extension request has not been received. Any exhibits (i.e., schematic diagrams) that may have already been requested to have “Permanent” confidentiality as shown above need not be repeated under Short-Term confidentiality request. Sincerely, Signed: Printed name: Alain Vaillant Title: Product Manager Company Name: Continental Aftermarket & Services GmbH Address: Sodener Strasse 9,65824 Schwalbach am Taunus, Germany Phone: +33614610789 E-Mail: [email protected] Date: 2025-09-29 ☐ ☐

xxxx Illuminaon M/N:TRD312UB-BU/PIA 9621HA1005K339A xxxx Illuminaon M/N:TRD312UB-BU/PIA 2AVAW-TRD312UB-BU 2AVAW-TRD312UB-BU

Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25072801-2E04 TRF No.: RT-4-E-006Page 1 of 6 RF EXPOSURE REPORT Applicant : Continental Aftermarket & Services GmbH Address of Applicant : Sodener Strasse 9, 65824 Schwalbach am Taunus, Germany Manufacturer : Huizhou Foryou General Electronics Co., Ltd Address of Manufacturer : No. 2 District A, Foryou Industry Park, No. 1 North Shangxia Road, Dongjiang Hi-tech Industry Park, 516005 Huizhou city, Guangdong Province, China(PROC) Equipment under Test : Radio Model No. : TRD312UB-BU/PIA FCC ID : 2AVAW-TRD312UB-BU Test Standard(s) : KDB447498 D01 General RF Exposure Guidance v06 Report No. : DDT-RE25072801-2E04 Issue Date : 2025/09/18 Issue By : Guangdong Dongdian Testing Service Co., Ltd. Unit 2, Building 1, No. 17, Zongbu 2nd Road, Songshan Lake Park, Dongguan, Guangdong, China, 523808 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25072801-2E04 TRF No.: RT-4-E-006Page 2 of 6 Table of Contents 1.General Test Information..............................................................................................5 1.1.Description of EUT .......................................................................................................5 1.2.Accessories of EUT......................................................................................................5 1.3.Test laboratory .............................................................................................................5 2.RF Exposure evaluation for FCC .................................................................................6 2.1.Assessment procedure.................................................................................................6 2.2.Assess result ................................................................................................................6 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25072801-2E04 TRF:RT-4-E-006Page 3 of 6 $!CeMetaLims!digital$ Test Report Declare Applicant : Continental Aftermarket & Services GmbH Address of Applicant : Sodener Strasse 9, 65824 Schwalbach am Taunus, Germany Equipment under Test : Radio Model No. : TRD312UB-BU/PIA Manufacturer : Huizhou Foryou General Electronics Co., Ltd Address of Manufacturer : No. 2 District A, Foryou Industry Park, No. 1 North Shangxia Road, Dongjiang Hi-tech Industry Park, 516005 Huizhou city, Guangdong Province, China(PROC) Test Standard Used: KDB447498 D01 General RF Exposure Guidance v06 We Declare: The equipment described above is tested by Guangdong Dongdian Testing Service Co., Ltd. and in the configuration tested the equipment complied with the standards specified above. The test results are contained in this test report and Guangdong Dongdian Testing Service Co., Ltd. is assumed of full responsibility for the accuracy and completeness of these tests. Report No.:DDT-RE25072801-2E04 Date of Receipt:2025/07/29Date of Test:2025/07/29~2025/09/02 Note: This report applies to above tested sample only. This report shall not be reproduced in parts without written approval of Guangdong Dongdian Testing Service Co., Ltd. Created: Bobo ChenReviewed: Tiger MoApproved: Damon Hu 2025/09/022025/09/182025/09/18 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25072801-2E04 TRF:RT-4-E-006Page 4 of 6 Revision History VersionRevision ContentIssue DateApproved V0Initial issue2025/09/18Damon Hu Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25072801-2E04 TRF:RT-4-E-006Page 5 of 6 1. General Test Information 1.1. Description of EUT EUT Name:Radio Model Number:TRD312UB-BU/PIA EUT Function Description:Please reference user manual of this device Power Supply:DC 12V Note: The above EUT information is declared by manufacturer and for more detailed features description please refer to the manufacturer's specifications or User's Manual. 1.2. Accessories of EUT AccessoriesManufacturerModel numberDescription //// 1.3. Test laboratory Guangdong Dongdian Testing Service Co., Ltd. Add.: Unit 2, Building 1, No. 17, Zongbu 2nd Road, Songshan Lake Park, Dongguan, Guangdong, China, 523808. Tel.: +86-0769-38826678, http://www.dgddt.com, Email: [email protected]. CNAS Accreditation No. L6451; A2LA Accreditation Number: 3870.01 FCC Designation Number: CN1182, Test Firm Registration Number: 540522 Innovation, Science and Economic Development Canada Site Registration Number: 10288A Conformity Assessment Body identifier: CN0048 VCCI facility registration number: C-20087, T-20088, R-20123, R-20240, G-20118 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25072801-2E04 TRF:RT-4-E-006Page 6 of 6 2. RF Exposure evaluation for FCC 2.1. Assessment procedure According to 447498 D01 General RF Exposure Guidance v06 The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50 mm are determined by: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] ·[√f(GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR, where: f(GHz) is the RF channel transmit frequency in GHz Power and distance are rounded to the nearest mW and mm before calculation The result is rounded to one decimal place for comparison 2.2. Assess result Manufacturing Tolerance: Bluetooth: ModeAntenna Frequency [MHz] Target (dBm)Tolerance ±(dB) 2402-4.142 2441-4.722 GFSK (Peak)Ant1 2480-4.372 2402-5.662 2441-6.202 π/4DQPSK (Peak)Ant1 2480-5.812 2402-5.212 2441-5.832 8DPSK (Peak)Ant1 2480-5.502 Estimtion Result: Worse case is as below: [2402 MHz, -2.14 dBm, (0.61mW) output power] (0.61/5) ·[√2.402(GHz)] = 0.189 < 3.0 for 1-g SAR Then SAR evaluation is not required. -----------------------End Report----------------------

Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25072801-2E01 TRF: RT-4-E-005Page 1 of 92 RADIO TEST REPORT Applicant : Continental Aftermarket & Services GmbH Address of Applicant : Sodener Strasse 9, 65824 Schwalbach am Taunus, Germany Manufacturer : Huizhou Foryou General Electronics Co., Ltd Address of Manufacturer : No. 2 District A, Foryou Industry Park, No. 1 North Shangxia Road, Dongjiang Hi-tech Industry Park, 516005 Huizhou city, Guangdong Province, China(PROC) Equipment under Test : Radio Model No. : TRD312UB-BU/PIA FCC ID : 2AVAW-TRD312UB-BU Test Standard(s) : FCC Rules and Regulations Part 15 Subpart C, ANSI C63.10:2013 Report No. : DDT-RE25072801-2E01 Issue Date : 2025/09/18 Issue By : Guangdong Dongdian Testing Service Co., Ltd. Unit 2, Building 1, No. 17, Zongbu 2nd Road, Songshan Lake Park, Dongguan, Guangdong, China, 523808 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25072801-2E01 TRF: RT-4-E-005Page 2 of 92 Table of Contents 1.Summary of Test Results .............................................................................................7 2.General Test Information..............................................................................................8 2.1.Description of EUT .......................................................................................................8 2.2.Accessories of EUT......................................................................................................9 2.3.Block diagram of EUT configuration for test.................................................................9 2.4.Decision of final test mode ...........................................................................................9 2.5.Deviations of test standard.........................................................................................10 2.6.Test environment conditions ......................................................................................10 2.7.Test laboratory ...........................................................................................................10 2.8.Measurement uncertainty...........................................................................................11 3.Equipment Used During Conductive Test ..................................................................12 4.20 dB Bandwidth ........................................................................................................13 4.1.Block diagram of test setup ........................................................................................13 4.2.Limits ..........................................................................................................................13 4.3.Test procedure ...........................................................................................................13 4.4.Test result...................................................................................................................14 4.5.Test graphs ................................................................................................................15 5.Maximum Peak Output Power....................................................................................18 5.1.Block diagram of test setup ........................................................................................18 5.2.Limits ..........................................................................................................................18 5.3.Test procedure ...........................................................................................................18 5.4.Test result...................................................................................................................19 5.5.Test graphs ................................................................................................................20 6.Carrier Frequency Separation ....................................................................................23 6.1.Block diagram of test setup ........................................................................................23 6.2.Limits ..........................................................................................................................23 6.3.Test procedure ...........................................................................................................23 6.4.Test result...................................................................................................................24 6.5.Test graphs ................................................................................................................25 7.Dwell Time..................................................................................................................26 7.1.Block diagram of test setup ........................................................................................26 7.2.Limits ..........................................................................................................................26 7.3.Test procedure ...........................................................................................................26 7.4.Test result...................................................................................................................27 7.5.Test graphs ................................................................................................................28 8.Number of Hopping Channel......................................................................................34 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25072801-2E01 TRF: RT-4-E-005Page 3 of 92 8.1.Block diagram of test setup ........................................................................................34 8.2.Limits ..........................................................................................................................34 8.3.Test procedure ..............................................................................…

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Antenna describe 1. Antenna describe: Antenna plate Integral PCB antenna Make name/model name HA1005K Antenna max gain 1.06dBi Frequency range 2.4GHZ-2.48GHZ Connector type direct Manufacturer name & Address Name:-Huizhou"ForyouGeneralElectronics°Co.,Ltd.. Address: No.2 District A, Foryou-Industry Park, No.1 North Shangxia Road,Dongjiang·Hi-tech Industry Park,-516005-Huizhou city,·Guangdong Province, China(PROC) Location of mearement(company name) Huizhou Foryou General Electronics Co., Ltd. 2. External view drawing: Picture of antenna 3. Antenna Radiation Pattern Gain and Efficiency Frequency (MHz) Efficiency (%) Gain (dBi) 2400 33.53 -0.79 2410 34.84 -0.71 2420 34.94 -0.82 2430 37.67 -0.47 2440 39.99 -0.06 2450 40.95 0.17 2460 45.21 0.73 2470 47.50 0.98 2480 45.64 0.91 2490 45.29 1.06 2500 42.69 0.87 Eddiciency & Gain SWR