SY5SLAVEUNIT.ASSY-UWB&BLE

/ Grantee Code: SY5

Rev 1/26/2023 AUMOVIO Korea Ltd. 26 Hwangsaeul-ro 312beon-gil, Bundang-gu, Seongnam-si, Gyeonggi-do, South Korea, 13591 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date:05-20-2026 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID: SY5SLAVE [AUMOVIO Korea Ltd.] 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. [AUMOVIO Korea Ltd.] 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). Device is inherently compliant based on hardware limitations or software controls. or A Software Bill of Materials (SBOM) is provided to the TCB for review, and The end-user or third parties cannot install additional software on this device. Sincerely, Contact Name: SungMin Jang Title: Representative Rev 1/26/2023 AUMOVIO Korea Ltd. 26 Hwangsaeul-ro 312beon-gil, Bundang-gu, Seongnam-si, Gyeonggi-do, South Korea, 13591 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 05-20-2026 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC ID: SY5SLAVE [AUMOVIO Korea Ltd.] 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. Sincerely, Contact Name: SungMin Jang Title: Representative

AUMOVIO Korea Ltd. 26 Hwangsaeul-ro 312beon-gil, Bundang-gu, Seongnam-si, Gyeonggi-do, South Korea, 13591 Date: 05/20/2026 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Letter of Authorization We, the undersigned, hereby authorize Geunki Son of Dt&C Co., Ltd. to act on our behalf in all manners relating to application for equipment authorization for FCC ID: SY5SLAVE including signing of all documents relating to these matters. Any and all acts carried out by Geunki Son of Dt&C Co., Ltd. on our behalf shall have the same affect as acts of our own. This authorization is valid until further written notice from SY5. “I, 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. 853(a).” Sincerely, Contact Name: SungMin Jang Title: Representative

AUMOVIO Korea Ltd. 26 Hwangsaeul-ro 312beon-gil, Bundang-gu, Seongnam-si, Gyeonggi-do, South Korea, 13591 Date: 05/20/2026 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Request of Confidentiality FCC ID: SY5SLAVE To Whom It may Concern: Pursuant to Sections 0.457 and 0.459 of the Commission`s Rules(CFR 47), and Section 552 (b) (4) of the Freedom of Information Act, AUMOVIO Korea Ltd. hereby requests confidentiality and treatment of certain information accompanying this application. The materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. We are also hereby request Short-Term Confidentiality for 180 days after the grant as outlined in Public Notice DA 04-1705. This provision will give AUMOVIO Korea Ltd. temporary confidentiality of commercially sensitive information prior to product release. The requested permanent and Short-Term Confidential exhibits are listed as follows: PERMANENT & SHORT-TERM CONFIDENTIAL LIST Exhibit Description PERMANENT 1 Block Diagram 2 Schematics 3 Part Lists 4 Operation Description 5 - SHORT-TERM 6 Internal Photos 7 External Photos 8 Test-Setup Photos 9 User Manual The Applicant understands that pursuant to Rule 0.457, disclosure of this application and all accompanying documentations, where applicable, will not be public before the date of the Grant for this application. Sincerely, Contact Name: SungMin Jang Title: Representative

FCC/IC ID Label drawing & location 1. ID label drawing 2. ID label location Product name / Model name: UNIT.ASSY-UWB&BLE/SLAVE FCC ID: SY5SLAVE IC: 8325A-SLAVE

FCC ID : SY5SLAVE SAR test exclusion considerations FCC Regulation(s): Part 1.1307 Guidance Applied: KDB 447498 D04v01 Part 1.1307(b)(3)Determination of exemption. (i) For single RF sources (i.e., any single fixed RF source, mobile device, or portable device, as defined in paragraph (b)(2) of this section): A single RF source is exempt if: (A) The available maximum time-averaged power is no more than 1 mW, regardless of separation distance. This exemption may not be used in conjunction with other exemption criteria other than those in paragraph (b)(3)(ii)(A) of this section. Medical implant devices may only use this exemption and that in paragraph (b)(3)(ii)(A); (B) Or the available maximum time-averaged power or effective radiated power (ERP), whichever is greater, is less than or equal to the threshold P th (mW) described in the following formula. This method shall only be used at separation distances (cm) from 0.5 centimeters to 40 centimeters and at frequencies from 0.3 GHz to 6 GHz (inclusive). P th is given by: (C) Or using Table 1 and the minimum separation distance (R in meters) from the body of a nearby person for the frequency (f in MHz) at which the source operates, the ERP (watts) is no more than the calculated value prescribed for that frequency. For the exemption in Table 1 to apply, R must be at least λ/2π, where λ is the free-space operating wavelength in meters. If the ERP of a single RF source is not easily obtained, then the available maximum time-averaged power may be used in lieu of ERP if the physical dimensions of the radiating structure(s) do not exceed the electrical length of λ/4 or if the antenna gain is less than that of a half-wave dipole (1.64 linear value). Table 1 to § 1.1307(b)(3)(i)(C)—Single RF Sources Subject to Routine Environmental Evaluation RF Source frequency (MHz) Threshold ERP (watts) 0.3-1.34 1,920 R 2 . 1.34-30 3,450 R 2 /f 2 . 30-300 3.83 R 2 . 300-1,500 0.0128 R 2 f. 1,500-100,000 19.2 R 2 . FCC ID : SY5SLAVE Determination of exemption Part 1.1307(b)(3)(i)(b) RF feature Mode Transmitting Frequency(MHz) Separation distance (Cm) Measured average power (dBm) Max. power with tune-up tolerance (dBm) Ant. Gain (dBi) Max. power with tune-up tolerance (mW) ERP (mW) SAR test exclusion thresholds (mW) BLE 1Mbps 2480.0 1.50 4.01 5.0 3.85 3.16 4.68 22.03 Part 1.1307(b)(3)(i)(c) RF feature Mode Transmitting Frequency(MHz) Separation distance (Cm) Measured average power (dBm) Max. power with tune-up tolerance (dBm) Ant. Gain (dBi) Max. power with tune-up tolerance (mW) ERP (mW) SAR test exclusion thresholds (mW) UWB UWB Ant 0 7897.2 1.50 -15.45 -15.0 5.49 0.03 0.07 4.32 ERP: Max. power with tune-up tolerance + Antenna gain (dBi) – 2.15 dB Note 1: The device must be installed with a minimum separation distance of 15 mm from user for RF exposure compliance. Note 2: Please refer to the operation description for max tune-up power. Note 3: UWB and BLE do not transmit simultaneously. Test Set-up The conducted average power was measured using a wideband gated RF power meter and gate parameters was adjusted such that the power is measured only when the EUT is transmitting at its maximum power. Test Equipment List Type Manufacturer Model Cal.Date (yy/mm/dd) Next.Cal.Date (yy/mm/dd) S/N Power Meter & Wide Bandwidth Sensor Anritsu ML2496A 25/11/26 26/11/26 1338004 MA2411B 25/11/26 26/11/26 1911481 Conclusion: SAR evaluation for general population exposure conditions by measurement or numerical simulation is not required

FCC ID: SY5SLAVE Report No.: DRTFCC2605-0052(1) IC: 8325A-SLAVE This test report is prohibited to copy or reissue in whole or in part without the approval of Dt&C Co., Ltd. TRF-RF-247(00)210810 Pages: 2 / 37 Test Report Version Test Report No. Date Description Revised by Reviewed by DRTFCC2605-0052 May, 06. 2026 Initial issue TaeHoon Kwon JaeJin Lee DRTFCC2605-0052(1) May, 20. 2026 Update the address of customer TaeHoon Kwon JaeJin Lee FCC ID: SY5SLAVE Report No.: DRTFCC2605-0052(1) IC: 8325A-SLAVE This test report is prohibited to copy or reissue in whole or in part without the approval of Dt&C Co., Ltd. TRF-RF-247(00)210810 Pages: 3 / 37 Table of Contents 1. General Information .................................................................................... 4 1.1. Description of EUT .......................................................................................................... 4 1.2. Declaration by the applicant / manufacturer ................................................................ 4 1.3. Testing Laboratory .......................................................................................................... 5 1.4. Testing Environment ....................................................................................................... 5 1.5. Measurement Uncertainty............................................................................................... 5 1.6. Test Equipment List ........................................................................................................ 6 2. Test Methodology ........................................................................................ 7 2.1. EUT Configuration ........................................................................................................... 7 2.2. EUT Exercise .................................................................................................................... 7 2.3. General Test Procedures ................................................................................................ 7 2.4. Instrument Calibration .................................................................................................... 7 2.5. Description of Test Modes.............................................................................................. 7 3. Antenna Requirements ............................................................................... 8 4. Summary of Test Result ............................................................................. 9 5. Test Result ................................................................................................. 10 5.1. - 10dB Bandwidth .......................................................................................................... 10 5.2. EIRP (Equivalent Isotropicilly Radiated Power) ......................................................... 16 5.3. Radiated Emissions ...................................................................................................... 19 5.3.1. Radiated Emissions(Below 960 MHz) ..................................................................... 19 5.3.2. Radiated Emissions(Above 960 MHz) ..................................................................... 23 5.4. AC Power-Line Conducted Emissions ........................................................................ 28 5.5. Cease Transmission Time ............................................................................................ 29 5.6. Occupied Bandwidth ..................................................................................................... 31 APPENDIX I .................................................................................................... 37 FCC ID: SY5SLAVE Report No.: DRTFCC2605-0052(1) IC: 8325A-SLAVE This test report is prohibited to copy or reissue in whole or in part without the approval of Dt&C Co., Ltd. TRF-RF-247(00)210810 Pages: 4 / 37 1. General Information 1.1. Description of EUT Equipment Class Ultra Wideband Transmitter(UWB) Product Name UNIT.ASSY-UWB&BLE Model Name SLAVE Add Model Name NA Firmware Version Identification Number 1.0 EUT Serial Number No Specified Power Supply DC 12 V Frequency Range 6.489 6 GHz ~ 7.987 2 GHz Max. RF Output Power -3.96 dBm (Peak) / 50 MHz Modulation Technique BPM-BPSK Antenna Specification Antenna 0 Type: PCB Pattern Antenna, Gain: 5.49 dBi Antenna 1 Type: PCB Pattern Antenna, Gain: 4.41 dBi 1.2. Declaration by the applicant / manufacturer N/A FCC ID: SY5SLAVE Report No.: DRTFCC2605-0052(1) IC: 8325A-SLAVE This test report is prohibited to copy or reissue in whole or in part without the approval of Dt&C Co., Ltd. TRF-RF-247(00)210810 Pages: 5 / 37 1.3. Testing Laboratory 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 Designation No.: KR0034 - FCC Test Firm Registration No.: 704742 - ISED CAB identifier: KR0034 - ISED#: 5740A www.dtnc.net Telephone : + 82-31-321-2664 FAX : + 82-31-321-1664 1.4. Testing Environment Ambient Condition ▪ Temperature +20 °C ~ +22 °C ▪ Relative Humidity +35 % ~ +42 % 1.5. Measurement Uncertainty The measurement uncertainties shown below were calculated in accordance with requirements of ANSI C63.10-2020. All measurement uncertainty values are shown with a coverage factor of k = 2 to indicate a 95 % level of confidence. Parameter Measurement uncertainty Antenna-port conducted emission 1.0 dB (The confidence level is about 95 %, k = 2) Radiated emission (1 GHz Below) 4.9 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) 5.7 dB (The confidence level is about 95 %, k = 2) FCC ID: SY5SLAVE Report No.: DRTFCC2605-0052(1) IC: 8325A-SLAVE This test report is prohibited to copy or …

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January 13, 2026A ANS PL3 HMG DigitalKeyTRX Homologation Antenna Information SLAVE WLC JEJ & HyounglackJung © AUMOVIO SE Internal HMG SLAVE TRX -UWB January 13, 2026Hyounglack Jung @ Aumovio A ANS PL3 21 Efficiency vs Gain Total Max (Theta from 0°to 180°) UWB1 UWB2 © AUMOVIO SE Internal HMG SLAVE TRX -UWB January 13, 2026Hyounglack Jung @ Aumovio A ANS PL3 22 UWB1 UWB2 6250 MHz 6500 MHz 6750 MHz Gain Total 3D -CH5

© AUMOVIO SE Internal HMG SLAVE TRX -UWB January 13, 2026Hyounglack Jung @ Aumovio A ANS PL3 23 Gain Total 3D -CH9 UWB1 UWB2 7750 MHz 8000 MHz8250 MHz © AUMOVIO SE Internal HMG SLAVE TRX -UWB January 13, 2026Hyounglack Jung @ Aumovio A ANS PL3 24 Gain Total 2D Cuts -CH5 UWB1 UWB2 X Y Z X Z Y X Y Z X Z Y Graph Color Legend: 6250 MHz 6500 MHz 6750 MHz © AUMOVIO SE Internal HMG SLAVE TRX -UWB January 13, 2026Hyounglack Jung @ Aumovio A ANS PL3 25 Gain Total 2D Cuts –CH9 UWB1 UWB2 X Y Z X Z Y X Y Z X Z Y Graph Color Legend: 7750 MHz 8000 MHz 8250 MHz © AUMOVIO SE Internal HMG SLAVE TRX -UWB January 13, 2026Hyounglack Jung @ Aumovio A ANS PL3 26 Gain Total UWB1UWB2 G AVG, dBG MAX, dBG AVG, dBG MAX, dB Ch.5 6250 MHz-2.593.45-2.284.17 6500 MHz-2.494.31-2.273.93 6750 MHz-2.414.82-2.013.46 Ch.9 7750 MHz-2.435.28-2.053.38 8000 MHz-2.235.49-2.084.07 8250 MHz-2.515.33-2.303.56