2AVBK-AFI920Imaging Radar Sensor

bitsensing Inc. Covered Equipment Certification Attestation Letter 3/18/2026 Nemko North America, Inc. 303 River Road Ottawa K1V 1H2 Canada ATTN.: Reviewing Engineer FCC ID: 2AVBK-AFI920 bitsensing Inc. (“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. This includes certifying 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). 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. bitsensing Inc. (“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. Signed: Printed name: Suhan Kim Title: Principal Research Engineer Company Name: bitsensing Inc. Date: 3/18/2026

bitsensing Inc. 3/18/2026 Nemko North America, Inc. 303 River Road Ottawa, Ontario, Canada K1V 1H2 AUTHORITY TO ACT AS AGENT - FCC On our behalf, I appoint ONETECH Corp., 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, Signed: Printed name: Suhan Kim

bitsensing Inc. March 18, 2026 Nemko North America, Inc. 303 River Road Ottawa, Ontario, Canada K1V 1H2 REQUEST FOR CONFIDENTIALITY - FCC FCC ID: 2AVBK-AFI920 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: Suhan Kim Title: Principal Research Engineer Company Name: bitsensing Inc.

Copyright © 2021 bitsensing. All Rights Reserved. AFI920_KC_FCC_IC Label 25mm 8mm 25mm 8mm Label1 Label2

Page 1 of 7 Report No.: OT-263-RWD-021 It should not be reproduced except in full, without the written approval of ONETECH Corp. OTC-TRF-RF-001(0) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) EMF TEST REPORT Test Report No. : OT-263-RWD-021 Reception No. : 2601000198 Applicant : bitsensing Inc. Address : 4,5F, 4, Godeung-ro, Sujeong-gu, Seongnam-si, Gyeonggi-do, South Korea Manufacturer : bitsensing Inc. Address : 4,5F, 4, Godeung-ro, Sujeong-gu, Seongnam-si, Gyeonggi-do, South Korea Type of Equipment : Imaging Radar Sensor FCC ID. : 2AVBK-AFI920 Model Name : AFI920 Multiple Model Name : N/A Serial number : N/A Total page of Report : 7 pages (including this page) Date of Incoming : February 11, 2026 Date of issue : March 18, 2026 SUMMARY The equipment complies with the regulation; CFR §2.1093 This test report only contains the result of a single test of the sample supplied for the examination. It is not a generally valid assessment of the features of the respective products of the mass-production. This test report is not associated with the accreditation granted by the Korean Laboratory Accreditation Scheme (KOLAS). Tested by Yun-Bok, Wi / Project Engineer ONETECH Corp. Reviewed by Tae-Ho, Kim / Chief Engineer ONETECH Corp. Approved by Jae-Ho, Lee / Director ONETECH Corp. Page 2 of 7 Report No.: OT-263-RWD-021 It should not be reproduced except in full, without the written approval of ONETECH Corp. OTC-TRF-RF-001(0) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) CONTENTS Page 1. VERIFICATION OF COMPLIANCE ............................................................................................................................. 4 2. REQUIREMENT ................................................................................................................................................................ 5 2.1 LIMIT AND CALCULATION METHOD ................................................................................................................. 5 3. MPE Calculations ............................................................................................................................................................... 6 4. CALCULATED RESULTS ............................................................................................................................................... 7 4.1 LIMIT AND CALCULATION .................................................................................................................................... 7 Page 3 of 7 Report No.: OT-263-RWD-021 It should not be reproduced except in full, without the written approval of ONETECH Corp. OTC-TRF-RF-001(0) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) Revision History Rev. No. Issue Report No. Issued Date Revisions Section Affected 0 OT-263-RWD-021 March 18, 2026 Initial Release All Page 4 of 7 Report No.: OT-263-RWD-021 It should not be reproduced except in full, without the written approval of ONETECH Corp. OTC-TRF-RF-001(0) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) 1. VERIFICATION OF COMPLIANCE Applicant : bitsensing Inc. Address : 4,5F, 4, Godeung-ro, Sujeong-gu, Seongnam-si, Gyeonggi-do, South Korea Contact Person : Suhan Kim / Principal Research Engineer Telephone No. : +82-10-7400-2819 FCC ID : 2AVBK-AFI920 Model Name : AFI920 Brand Name : - Serial Number : N/A Date : March 18, 2026 E.U.T. DESCRIPTION Imaging Radar Sensor THIS REPORT CONCERNS Original Grant MEASUREMENT PROCEDURES KDB 447498 D01 General RF Exposure Guidance v06 TYPE OF EQUIPMENT TESTED Pre-Production KIND OF EQUIPMENT AUTHORIZATION REQUESTED Certification Modifications on the Equipment to Achieve Compliance None -. The above equipment was tested by ONETECH Corp. for compliance with the requirement set forth in the FCC Rules and Regulations. This said equipment in the configuration described in this report, shows the maximum emission levels emanating from equipment are within the compliance requirements. Page 5 of 7 Report No.: OT-263-RWD-021 It should not be reproduced except in full, without the written approval of ONETECH Corp. OTC-TRF-RF-001(0) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) 2. REQUIREMENT 2.1 LIMIT AND CALCULATION METHOD Systems operating under the provisions of FCC 47 CFR section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. In accordance with FCC 47 CFR Part 2 Subpart J, section 2.1091 and FCC 47 CFR Part 1.1310(e)(1) this device has been defined as mobile device whereby a distance of 0.2 m normally can be maintained between the user and the device, and below RF permissible Exposure limit shall comply with, Limits for General Population/Uncontrolled Exposure. Frequency range Electric field strength Magnetic field strength Power density Averaging time (MHz) (V/m) (A/m) (mW/cm 2 ) (minutes) (A) Limits for Occupational/Controlled Exposure 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 <6 300-1,500 f/300 <6 1,500-100,000 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 <30 300-1,500 f/1500 <30 1,500-100,000 1 <30 f = frequency in MHz * = Plane-wave equivalent power density Page 6 of 7 Report No.: OT-263-RWD-021 It should not be reproduced except in full, without the written approval of ONETECH Corp. OTC-TRF-RF-001(0) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) 3. MPE Calcula…

Text truncated - open the document above for the full version.

Page 1 of 28 Report No.: OT-263-RWD-020 It should not be reproduced except in full, without the written approval of ONETECH Corp. OTC-TRF-RF-001(0) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) RADIO PERFORMANCE TEST REPORT Test Report No. : OT-263-RWD-020 Reception No. : 2601000198 Applicant : bitsensing Inc. Address : 4,5F, 4, Godeung-ro, Sujeong-gu, Seongnam-si, Gyeonggi-do, South Korea Manufacturer : bitsensing Inc. Address : 4,5F, 4, Godeung-ro, Sujeong-gu, Seongnam-si, Gyeonggi-do, South Korea Type of Equipment : Imaging Radar Sensor FCC ID. : 2AVBK-AFI920 Model Name : AFI920 Multiple Model Name : N/A Serial number : N/A Total page of Report : 28 pages (including this page) Date of Incoming : February 11, 2026 Date of issue : March 18, 2026 SUMMARY The equipment complies with the regulation; FCC PART 95 SUBPART M This test report only contains the result of a single test of the sample supplied for the examination. It is not a generally valid assessment of the features of the respective products of the mass-production. This test report is not associated with the accreditation granted by the Korean Laboratory Accreditation Scheme (KOLAS). Tested by Yun-Bok, Wi / Project Engineer ONETECH Corp. Reviewed by Tae-Ho, Kim / Chief Engineer ONETECH Corp. Approved by Jae-Ho, Lee / Director ONETECH Corp. Page 2 of 28 Report No.: OT-263-RWD-020 It should not be reproduced except in full, without the written approval of ONETECH Corp. OTC-TRF-RF-001(0) ONETECH Corp.: 43-14, Jinsaegol-gil, Chowol-eup, Gwangju-si, Gyeonggi-do, 12735, Korea (TEL: 82-31-799-9500, FAX: 82-31-799-9599) CONTENTS Page 1. VERIFICATION OF COMPLIANCE ............................................................................................................................. 5 2. TEST SUMMARY .............................................................................................................................................................. 6 2.1 TEST ITEMS AND RESULTS ............................................................................................................................................. 6 2.2 ADDITIONS, DEVIATIONS, EXCLUSIONS FROM STANDARDS ........................................................................................... 6 2.3 RELATED SUBMITTAL(S) / GRANT(S) ............................................................................................................................ 6 2.4 PURPOSE OF THE TEST ................................................................................................................................................... 6 2.5 MEASURING INSTRUMENT CALIBRATION ..................................................................................................................... 6 2.6 TEST FACILITY ............................................................................................................................................................... 6 3. GENERAL INFORMATION ............................................................................................................................................ 7 3.1 PRODUCT DESCRIPTION ................................................................................................................................................. 7 3.2 EUT MODIFICATIONS .............................................................................................................................................. 7 3.3 ALTERNATIVE TYPE(S)/MODEL(S); ALSO COVERED BY THIS TEST REPORT. ................................................................ 7 4. TEST METHODOLOGY .................................................................................................................................................. 8 4.1 EUT DESCRIPTION ......................................................................................................................................................... 8 4.2 EUT TEST MODE ............................................................................................................................................................ 8 4.3 WORST CASE CONFIGURATION AND MODE ................................................................................................................... 9 4.4 CONFIGURATION OF TEST SYSTEM ............................................................................................................................... 9 4.5 ANTENNA REQUIREMENT .............................................................................................................................................. 9 5. FAR FIELD DISTANCE(R m ) .......................................................................................................................................... 10 6. MEASUREMENT UNCERTAINTY .............................................................................................................................. 11 7. LIST OF TEST EQUIPMENT ........................................................................................................................................ 12 8. DESCRIPTION OF TESTS ............................................................................................................................................. 13 8.1 OCCUPIED BANDWIDTH ............................................................................................................................................... 13 8.2 MAXIMUM POWER (EIRP) .......................................................................................................................................... 14 8.3 UNWANTED SPURIOUS EMISSIONS ............................................................................................................................... 16 8.5 FREQUENCY STABILITY .............................................................................................................................................…

Text truncated - open the document above for the full version.

Copyright ⓒInc. All rights reserved. AFI920 Antenna Spec -Antenna Spec ItemsContent Type and FormMicro-strip Patch Antenna Frequency Range77.5GHz ~ 80.5GHz Gain11.0 dBi(Tx/Rx Shared) Radiation PatternDirectional PolarizationVertical Polarization Connection to TransmitterInternal mounted Antenna Manufacturer / Model bitsensing Inc. / AFI920 Copyright ⓒInc. All rights reserved. AFI920 -Result ➔Antenna Gain after Line Loss Compensation : 11.0 [dB] -InbandPeak Gain : 14.09 [dB] @79.0 [GHz] -Feed Line Loss: 약3.0 [dB] @lineloss 0.95 dB/cm Copyright ⓒInc. All rights reserved. AFI920 -Antenna Size: 10cm X 10cm -12Tx/16Rx 3Tx RFIC-0 3Tx RFIC-3 3Tx RFIC-1 3Tx RFIC-2 Tx Rx