BABTN0052ECar Audio

DENSO TEN Limited 2-28, Gosho-dori 1-chome, Hyogo-ku, Kobe, 652-8510 Japan Tel.: +81.50-1727-9598 CONFIDENTIAL Date: May 26, 2026 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 RE: CFR 47 §2.911 (d)(5) Attestation FCC ID: BABTN0052E DENSO TEN Limited (“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. DENSO TEN Limited (“the applicant”) certifies that, the device does not have cybersecurity and / or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, identified on the Covered List installed on the device, nor will it be installed by the applicant anytime after certification. DENSO TEN Limited (“the applicant”) certifies that the RF device is not a router “produced in a foreign country”. DENSO TEN Limited (“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 and is not an affiliate or subsidiary of an entity identified on the Covered List. Sincerely yours, Kaoru Abe Department General Manager Quality & Engineering Promotion Group Quality & Engineering Promotion Planning Div Regulatory Management Dept. DENSO TEN Limited

DENSO TEN Limited 2- 28, Gosho-dori 1-chome, Hyogo-ku, Kobe, 652-8510 Japan Tel.: +81.50-1727-9598 CONFIDENTIAL U.S. Agent Designation for Service of Process ATT ENTION: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA REGARDING: FCC Certification – Section 2.911(d)(7) Information Designated U.S. Agent Company Name: Approve-IT, Inc . Contact Name: Nathan Grinager Street Address: 8011 34 th Ave South, Suite 342 City/Province/Zip: Bloomington, MN 55425 Telephone No: 651-247-1678 Email: [email protected] FRN #: 0027533835 This letter is to confirm that we (“the Designated U.S. Agent) have accepted the responsibility to act as the Designated U.S. Agent for Service of Process as required by section 47 CFR 2.911(d)(7) on behalf of the Applicant noted below. U.S. Agent Signature: Date: May 11, 2026 Signed by (Printed Name/Title): Nathan Grinager / Co-President *This letter must be dated wit hin 5 years of the date the application is submitted to the TCB for device certification The Applicant confirms its explicit consent and acknowledges that they must maintain an agent for no less than one year after terminating all marketing and importation OR the conclusion of any Commission-related proceeding involving the equipment. The applicant further acknowledges their responsibility to inform the FCC whenever the Designated U.S. Agent information above changes. Appli cant Company name: DENSO TEN Limited FCC ID: BABTN0052E Contact Name: Kaoru Abe Street Address: 2-28, Gosho-Dori 1-Chome, Hyogo-Ku City/Province/Zip: Kobe 652-8510, JAPAN Telephone No: 81-50-1727-9598 Email: [email protected] Grantee FRN #: 0008516007 Appli cant Signature: Date : May 11, 2026 CONFIDENTIAL Signed by (Printed Name/Title): Kaoru Abe Department General Manager Quality & Engineering Promotion Group Quality & Engineering Promotion Planning Div Regulatory Management Dept.

DENSO TEN Limited 2-28, Gosho-dori 1-chome, Hyogo-ku, Kobe, 652-8510 Japan Tel.: +81.50-1727-9598 CONFIDENTIAL Request for Long-Term Confidentiality May 11, 2026 UL Verification Services Inc. 47173 Benicia Street, Fremont, CA 94538 FCC ID: BABTN0052E Applicant: DENSO TEN Limited To whom it may concern: Please be advised that the following information is to be held confidential on behalf of us, referring to the FCC rules 0.457 and 0.459: Block Diagram Operational Description Schematics Parts List The application contains technical information which we deem to be trade secrets and proprietary. If made public, the information might be used to the disadvantage of the applicant in the marketplace. Thank you for your attention to this matter. Sincerely, ______________________________ Kaoru Abe Department General Manager Quality & Engineering Promotion Group Quality & Engineering Promotion Planning Div Regulatory Management Dept. DENSO TEN Limited

DENSO TEN Limited 2-28, Gosho-dori 1-chome, Hyogo-ku, Kobe, 652-8510 Japan Tel.: +81.50-1727-9598 CONFIDENTIAL Request for Short-Term Confidentiality May 11, 2026 UL Verification Services Inc. 47173 Benicia Street, Fremont, CA 94538 FCC ID: BABTN0052E Applicant: DENSO TEN Limited To whom it may concern: Please be advised that the following information is to be held in confidence for 180 days from the date of the Grant of Equipment Authorization based on the FCC rules 0.457 and 0.459: External Photos Internal Photos Test Setup Photos User Manual The application contains technical information, which we deem to be trade secrets and proprietary. If made public, the information might be used to the disadvantage of the applicant in the marketplace. Thank you for your attention to this matter. Sincerely, ______________________________ Kaoru Abe Department General Manager Quality & Engineering Promotion Group Quality & Engineering Promotion Planning Div Regulatory Management Dept. DENSO TEN Limited

DENSO TEN Limited 2-28, Gosho-dori 1-chome, Hyogo-ku, Kobe, 652-8510 Japan Tel.: +81.50-1727-9598 CONFIDENTIAL Authorization Letter May 11, 2026 UL Verification Services Inc. 47173 Benicia Street, Fremont, CA 94538 FCC ID: BABTN0052E Applicant: DENSO TEN Limited To whom it may concern: We, the undersigned, hereby authorize Akiyo Hayashi of Consumer, Medical & Information Technologies Division, UL Japan, Inc. to act on our behalf in all manners relating to application for equipment authorization, including signing of all documents relating to these matters. Any and all acts carried out by UL Japan, Inc. on our behalf shall have the same effect as acts of our own. 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. The application for the subject equipment has not been submitted to another TCB for certification. Sincerely, ______________________________ Kaoru Abe Department General Manager Quality & Engineering Promotion Group Quality & Engineering Promotion Planning Div Regulatory Management Dept. DENSO TEN Limited

The label material is Yupo 80(UV) and the ink is UV ink, which has improved durability against repeated rubbing tests compared to ordinary synthetic paper. ＜Label image＞ Label image・position _TN0052E DENSO TEN CONFIDENTIAL Label ＜Label position＞ 110mm 70mm 2mm DENSO TEN CONFIDENTIAL

Test Report No. 16222715H-C-R1 Page 1 of 35 UL Japan, Inc. Ise EMC Lab. 4383-326 Asama-cho, Ise-shi, Mie-ken 516-0021 Japan / +81-596-24-8999 EMI TEST REPORT Test Report No. 16222715H-C-R1 Customer DENSO TEN Limited Description of EUT Car Audio Model Number of EUT TN0052E FCC ID BABTN0052E Test Regulation FCC Part 15 Subpart B Test Result Complied Issue Date May 14, 2026 Remarks - Representative test engineer Approved by Shousei Hamaguchi Engineer Ryota Yamanaka Engineer CERTIFICATE 5107.02 The testing in which "Non-accreditation" is displayed is outside the accreditation scopes in UL Japan, Inc. There is no testing item of "Non-accreditation". Report Cover Page - Form-ULID-003532 (DCS:13-EM-F0429) Issue# 26.0 Test Report No. 16222715H-C-R1 Page 2 of 35 UL Japan, Inc. Ise EMC Lab. 4383-326 Asama-cho, Ise-shi, Mie-ken 516-0021 Japan / +81-596-24-8999 ANNOUNCEMENT REVISION HISTORY Revision Test Report No. Date Page Revised Contents - (Original) 16222715H-C April 20, 2026 - 1 16222715H-C-R1 May 14, 2026 SECTION 2.2: Radio Specification - Deletion of notes related to simultaneous transmission  This test report shall not be reproduced in full or partial, without the written approval of UL Japan, Inc.  The results in this report apply only to the sample tested. (Laboratory was not involved in sampling.)  This sample tested is in compliance with the limits of the above regulation.  The test results in this test report are traceable to the national or international standards.  This test report must not be used by the customer to claim product certification, approval, or endorsement by the A2LA accreditation body.  This test report covers EMC technical requirements. It does not cover administrative issues such as Manual or non-EMC test related Requirements. (if applicable)  The all test items in this test report are conducted by UL Japan, Inc. Ise EMC Lab.  The opinions and the interpretations to the result of the description in this report are outside scopes where UL Japan, Inc. has been accredited.  The information provided by the customer for this report is identified in SECTION 1.  The laboratory is not responsible for information provided by the customer which can impact the validity of the results.  For any test report referred in this report, the latest version (including any revisions) is always referred to.  If the latest version is a revision, it replaces the previous version. See the table below for revisions and versions. Test Report No. 16222715H-C-R1 Page 3 of 35 UL Japan, Inc. Ise EMC Lab. 4383-326 Asama-cho, Ise-shi, Mie-ken 516-0021 Japan / +81-596-24-8999 Reference: Abbreviations (Including words undescribed in this report) A2LA The American Association for Laboratory Accreditation Hori. Horizontal AAN Asymmetric Artificial Network ICES Interference-Causing Equipment Standard AC Alternating Current I/O Input/Output AE Auxiliary equipment IEC International Electrotechnical Commission AM Amplitude Modulation IEEE Institute of Electrical and Electronics Engineers AMN Artificial Mains Network IF Intermediate Frequency Amp, AMP Amplifier ILAC International Laboratory Accreditation Conference ANSI American National Standards Institute ISED Innovation, Science and Economic Development Canada Ant, ANT Antenna ISN Impedance Stabilization Network AP Access Point ISO International Organization for Standardization ASK Amplitude Shift Keying JAB Japan Accreditation Board Atten., ATT Attenuator LAN Local Area Network AV Average LCL Longitudinal Conversion Loss BPSK Binary Phase-Shift Keying LIMS Laboratory Information Management System BR Bluetooth Basic Rate LISN Line Impedance Stabilization Network BT Bluetooth MRA Mutual Recognition Arrangement BT LE Bluetooth Low Energy N/A Not Applicable BW BandWidth NIST National Institute of Standards and Technology C.F Correction Factor NS No signal detect. Cal Int Calibration Interval NSA Normalized Site Attenuation CAV CISPR AV OBW Occupied BandWidth CCK Complementary Code Keying OFDM Orthogonal Frequency Division Multiplexing CDN Coupling Decoupling Network PER Packet Error Rate Ch., CH Channel PK Peak CISPR Comite International Special des Perturbations Radioelectriques P LT long-term flicker severity Corr. Correction POHC(A) Partial Odd Harmonic Current CPE Customer premise equipment Pol., Pola. Polarization CW Continuous Wave PR-ASK Phase Reversal ASK DBPSK Differential BPSK P ST short-term flicker severity DC Direct Current QAM Quadrature Amplitude Modulation DET Detector QP Quasi-Peak D-factor, D.fac. Distance factor QPSK Quadrature Phase Shift Keying Dmax maximum absolute voltage change during an observation period r.m.s., RMS Root Mean Square DQPSK Differential QPSK RBW Resolution BandWidth DSSS Direct Sequence Spread Spectrum RE Radio Equipment DUT Device Under Test REV Reverse EDR Enhanced Data Rate RF Radio Frequency e.i.r.p., EIRP Equivalent Isotropically Radiated Power RFID Radio Frequency Identifier EM clamp Electromagnetic clamp RNSS Radio Navigation Satellite Service EMC ElectroMagnetic Compatibility RSS Radio Standards Specifications EMI ElectroMagnetic Interference Rx Receiving EMS ElectroMagnetic Susceptibility S.fac. Site factor EN European Norm SINAD Ratio of (Signal + Noise + Distortion) to (Noise + Distortion) e.r.p., ERP Effective Radiated Power S/N Signal to Noise ratio ETSI European Telecommunications Standards Institute SA, S/A Spectrum Analyzer EU European Union SABS South African Bureau of Standards EUT Equipment Under Test SANS South African National Standards Fac. Factor SG Signal Generator FCC Federal Communications Commission SVSWR Site-Voltage Standing Wave Ratio FHSS Frequency Hopping Spread Spectrum THC(A) Total Harmonic Current FM Frequency Modulation THD(%) Total Harmonic Distortion Freq. Frequency TR, T/R Test Receiver FSK Frequency Shift Keying Tx Transmitting Fund Fundamental UFA Uniform field area FWD Forward VBW Video BandWidth GFSK Gaussian Frequency-Shift Keying Vert. Vertical GNSS Global Navi…

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