2BTKXMOBEDOCDSOCDS

Date: 04/17/2018 VCB_F-01: Operating Procedures Form – FCC Authorization v02 Page 1 of 1 Date: 01/09/2026 SUBJECT: FCC Application for (FCC ID: 2BTKXMOBEDOCDS) To Whom It May Concern: We, the undersigned, hereby authorize Geunki Son in Dt&C Co., Ltd. on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by Dt&C Co., Ltd. on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti- Drug Abuse Act. We, the applicant, are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Sincerely, (Must be signed by the person that is listed on the FCC Website) Client’s signature: Client’s name & title: Hwang-cheol Ryu & Senior Engineer Contact information / address: PHA Co., Ltd. 156, Gwanggyo-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, 16506, South Korea PHA Co., Ltd. 156, Gwanggyo-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, 16506, South Korea Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046

Date: 04/17/2018 VCB_F-01: Operating Procedures Form – FCC Confidentiality v03 Page 1 of 1 PHA Co., Ltd. 156, Gwanggyo-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, 16506, South Korea Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: 2BTKXMOBEDOCDS Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: Type of Confidentiality Requested Exhibit Type ☐Short Term ☒Permanent Block Diagrams ☒Short Term External Photos ☒Short Term ☐Permanent* Internal Photos ☐Short Term ☒Permanent Operation Description ☐Short Term ☒Permanent Parts List/BOM ☐Short Term ☒Permanent Schematics ☐Short Term ☒Permanent Tune-up Procedure ☒Short Term Test Setup Photos ☒Short Term ☐Permanent* User manual *Requires further justification before permanent confidentiality will be allowed. The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. Permanent Confidentiality: The applicant requests the exhibits listed above as permanently confidential be withheld from public review due to materials that contain trade secrets and proprietary information not customarily released to the public. Short-Term Confidentiality: Pursuant to DA04-1705 June 15, 2004 of the Commission’s public notice, we also request temporary confidential treatment of information accompanying this application as outlined below for an initial period of 180 (ie- “45”, “90” or “180”) days. Sincerely, Client’s signature: Client’s name & title: Hwang-cheol Ryu & Senior Engineer Contact information / address: PHA Co., Ltd. 156, Gwanggyo-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, 16506, South Korea

PHA Co., Ltd. 156, Gwanggyo-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, 16506, South Korea Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 01‐14‐2026 Ref: Attestation Statements Part 2.911(d)(7) Filing FCC ID: 2BTKXMOBEDOCDS Applicant FRN: 0037726684 [PHA Co., Ltd.] (“the applicant”) certifies that, as of the date of the filing of the application, [ FCC US Agent, LLC] is our designated U.S. agent for service of process for the above referenced FCC ID. [PHA 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. [ FCC US Agent, LLC] 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: Name: FCC US Agent, LLC U.S. Agent FRN: 0033402884 Address: 3722 Illinois Avenue Saint Charles, IL 60174 United States Contact Person: Tim Payne Tel.: (708) 571‐3148 Email: [email protected] Sincerely, Company: PHA Co., Ltd. Designated Agent: FCC US Agent, LLC Company Representative: Senior Engineer Designated Agent Representative: Tim Payne Signature: Signature:

PHA Co., Ltd. 156, Gwanggyo-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, 16506, South Korea Attestation Statement Letter I Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Date: 01-09-2026 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC Application for FCC ID: 2BTKXMOBEDOCDS PHA Co., Ltd. certifies that the equipment for which authorization is sought is not “covered” equipment prohibited for receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely, Applicant’s Signature: Applicant’s Name: Hwang-cheol Ryu

PHA Co., Ltd. 156, Gwanggyo-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, 16506, South Korea Attestation Statement Letter II Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 01/09/2026 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC Application for FCC ID: 2BTKXMOBEDOCDS PHA Co., Ltd. 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. Sincerely, Applicant’s Signature: Applicant’s Name: Hwang-cheol Ryu

Sample Label Label Location

FCC ID: 2BTKXMOBEDOCDS RF feature Separation distance(cm) Max. Tune-up EIRP (dBm) Maximum EIRP (mW) Maximum power density(mW/cm 2 ) Requirement (mW/cm 2 ) FMCW 77000 ~ 81000 20.0 12.00 15.849 0.003 1.000 ~~~~~~~ ▪ S = - Note = / ( 4 X R 2 X π ) = mW/cm 2 Electric Field strength (V/m) Magnetic field strength (A/m) Power Density (mW/cm 2 ) Averageing time (minutes) 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 ~ 1,500 f / 1500 30 1,500 ~ 100,000 1.0 30 Conclusion : 0.003 EIRP= Equivalent Isotropic Radiated Power(mW) MPE Calculation Regulation(s): Part 1.1310, Part 2.1091Method: KDB447498 D01v06 Frequency range (MHz) -- R= Distance to the center of the radiation of the antenna ▪ Limits for Maximum Permissible Exposure (MPE) Frequency range (MHz) The exposure condition of this device is compliant with FCC The EUT w ill only be us ed with a separation of 20 centimeters o r greater between the antenna and the body of the user. The MPE sample calculation for this exposure is shown below. EIRP / ( 4 R 2 π ) 15.849 S= Maximum power density(mW/cm 2 )

PHA Co., Ltd. 392 Seongseo4chacheomdan-ro, Dalseo-gu, Daegu, Republic of Korea Category Content Types and forms of antennas Antenna-On-Package (AOP) Antenna gain (dBi) Max 10.87 dBi Frequency Band 77 ~ 81 GHz Orientation characteristic Orientation Polarized Characteristics of Antenna Linear Connection type with transmitter Connection type with transmitter Manufacturer and Model Name of the Antenna Texas Instruments (TI), AWR1843AOP Gain measurement agency name Texas Instruments (TI)

FCC ID: 2BTKXMOBEDOCDS RF feature Separation distance(cm) Max. Tune-up EIRP (dBm) Maximum EIRP (mW) Maximum power density(mW/cm 2 ) Requirement (mW/cm 2 ) FMCW 77000 ~ 81000 20.0 12.00 15.849 0.003 1.000 ~~~~~~~ ▪ S = - Note = / ( 4 X R 2 X π ) = mW/cm 2 Electric Field strength (V/m) Magnetic field strength (A/m) Power Density (mW/cm 2 ) Averageing time (minutes) 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 ~ 1,500 f / 1500 30 1,500 ~ 100,000 1.0 30 Conclusion : 0.003 EIRP= Equivalent Isotropic Radiated Power(mW) MPE Calculation Regulation(s): Part 1.1310, Part 2.1091Method: KDB447498 D01v06 Frequency range (MHz) -- R= Distance to the center of the radiation of the antenna ▪ Limits for Maximum Permissible Exposure (MPE) Frequency range (MHz) The exposure condition of this device is compliant with FCC The EUT w ill only be us ed with a separation of 20 centimeters o r greater between the antenna and the body of the user. The MPE sample calculation for this exposure is shown below. EIRP / ( 4 R 2 π ) 15.849 S= Maximum power density(mW/cm 2 )

Report No.: DRTFCC2601-0002 FCC ID: 2BTKXMOBEDOCDS This test report is prohibited to copy or reissue in whole or in part without the approval of Dt&C Co., Ltd. TRF-RF-244(02)240826 Pages: 2 / 19 Test Report Version Test Report No. Date Description Revised by Reviewed by DRTFCC2601-0002 Jan. 09, 2026 Initial issue JaeHun Yun JaeJin Lee Report No.: DRTFCC2601-0002 FCC ID: 2BTKXMOBEDOCDS This test report is prohibited to copy or reissue in whole or in part without the approval of Dt&C Co., Ltd. TRF-RF-244(02)240826 Pages: 3 / 19 Table of Contents 1. GENERAL INFORMATION ........................................................................ 4 2. INTRODUCTION ........................................................................................ 5 2.1. EUT DESCRIPTION ............................................................................................................ 5 2.2. TESTING ENVIRONMENT .................................................................................................. 5 2.3. MEASURING INSTRUMENT CALIBRATION ...................................................................... 5 2.4. MEASUREMENT UNCERTAINTY ....................................................................................... 5 2.5. TEST FACILITY ................................................................................................................... 6 3. SUMMARY OF TEST RESULTS ................................................................ 7 4. TEST RESULTS ......................................................................................... 8 4.1. OCCUPIED BANDWIDTH ................................................................................................... 8 4.2. EIRP .................................................................................................................................. 10 4.3. UNDESIRABLE EMISSIONS ............................................................................................ 12 4.4. FREQUENCY STABILITY ................................................................................................. 17 5. LIST OF TEST EQUIPMENT ................................................................... 19 Report No.: DRTFCC2601-0002 FCC ID: 2BTKXMOBEDOCDS This test report is prohibited to copy or reissue in whole or in part without the approval of Dt&C Co., Ltd. TRF-RF-244(02)240826 Pages: 4 / 19 1. GENERAL INFORMATION FCC Equipment Class Part 95 Vehicular Radar Systems(VRD) Product Name OCDS Model Name OCDS MASTER Add Model Name OCDS SLAVE EUT Serial Number No Specified Power Supply DC 12 V Antenna Specification Patch Antenna Gain: 10.87 dBi Frequency Range(GHz) Emission Designator Modulation EIRP(Peak detector) Max power (dBm) Max power (W) 77 ~ 81 3G97F3N FMCW 8.48 0.007 Report No.: DRTFCC2601-0002 FCC ID: 2BTKXMOBEDOCDS This test report is prohibited to copy or reissue in whole or in part without the approval of Dt&C Co., Ltd. TRF-RF-244(02)240826 Pages: 5 / 19 2. INTRODUCTION 2.1. EUT DESCRIPTION The Equipment under Test (EUT) supports 77 ~ 81 GHz vehicular radar. Test Mode Test Mode Description Tested Frequency (GHz) Frequency Sweep FMCW 79.00 EUT Operation test setup -Test Software: MobED_OCDS_Plot -Power setting: Default 2.2. TESTING ENVIRONMENT Ambient Condition ▪ Temperature +20 °C ~ +24 °C ▪ Relative Humidity 40 % ~ 45 % 2.3. MEASURING INSTRUMENT CALIBRATION The measuring equipment, which was utilized in performing the tests documented herein, has been calibrated in accordance with the manufacturer's recommendations for utilizing calibration equipment, which is traceable to recognized national standards. 2.4. MEASUREMENT UNCERTAINTY The measurement uncertainties shown below were calculated in accordance with requirements of ANSI C63.26-2015. All measurement uncertainty values are shown with a coverage factor of k = 2 to indicate a 95 % level of confidence. Parameter Measurement uncertainty Radiated emission (1 GHz Below) 5.0 dB (The confidence level is about 95 %, k = 2) Radiated emission (1 GHz ~ 18 GHz) 4.8 dB (The confidence level is about 95 %, k = 2) Radiated emission (18 GHz Above) 5.0 dB (The confidence level is about 95 %, k = 2) Report No.: DRTFCC2601-0002 FCC ID: 2BTKXMOBEDOCDS This test report is prohibited to copy or reissue in whole or in part without the approval of Dt&C Co., Ltd. TRF-RF-244(02)240826 Pages: 6 / 19 2.5. TEST FACILITY Dt&C Co., Ltd. The 3 m test site and conducted measurement facility used to collect the radiated data are located at the 42, Yurim-ro, 154beon-gil, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea 17042. The test site complies with the requirements of Part 2.948. - FCC & ISED MRA Designation No. : KR0034 - FCC Test Firm Registration No. : 704742 - ISED#: 5740A www.dtnc.net Telephone : + 82-31-321-2664 FAX : + 82-31-321-1664 Report No.: DRTFCC2601-0002 FCC ID: 2BTKXMOBEDOCDS This test report is prohibited to copy or reissue in whole or in part without the approval of Dt&C Co., Ltd. TRF-RF-244(02)240826 Pages: 7 / 19 3. SUMMARY OF TEST RESULTS FCC part section(s) Test Description Test Limit Test Condition Status Note 1 2.1049 Occupied Bandwidth N/A Radiated C 95.3367(a) Maximum power(EIRP) < 50 dBm (Averaging detector) C Note 2 95.3367(b) Maximum peak power(EIRP) < 55 dBm (Peak detector) C Note 2 2.1053 95.3379(a) Undesirable Emissions Below 40GHz < Part 95.3379 (a)(1) 40 ~ 200GHz < 600 pW/cm 2 Above 200GHz < 1000 pW/cm 2 C Note 2 2.1055 95.3379(b) Frequency Stability Within the frequency bands C Note 1: C=Comply NC=Not Comply NT=Not Tested NA=Not Applicable Note 2: These test items were performed in three orthogonal EUT positions, and the worst-case data were reported. Report No.: DRTFCC2601-0002 FCC ID: 2BTKXMOBEDOCDS This test report is prohibited to copy or reissue in whole or in part without the approval of Dt&C Co., Ltd. TRF-RF-244(02)240826 Pages: 8 / 19 4. TEST RESULTS 4.1. OCCUPIED BANDWIDTH Test Configuration Above 1GHz These measurements were performed at 3 m test site. The equi…

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