2AAJC-PKA3BAPerfectly Keyless Anchor

Robert Bosch GmbH Postfach 10 60 50 70049 Stuttgart Visitor: Mittlerer Pfad 9 70499 Stuttgart Phone 0711 811-0 www.bosch.com Certifications concerning “covered” equipment. Section 2.911(d)(5)(i)- (ii) Date: 17 November 2025 cetecom advanced GmbH Untertuerkheimer Str. 6-10 66117 Saarbruecken Germany FCC ID: 2AAJC-PKA3AA, 2AAJC-PKA3BA To whom it may concern: we, Robert Bosch GmbH, Robert-Bosch-Platz 1, 70839 Gerlingen, Germany, certify 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; - 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. Also, we certify that the equipment for which authorization is sought does not contain or includes equipment with integrated cybersecurity and anti- Registered Office: Stuttgart, Registration Court: Amtsgericht Stuttgart, HRB 14000; Chairman of the Supervisory Board: Prof. Dr. Stefan Asenkerschbaumer; Managing Directors: Dr. Stefan Hartung, Dr. Christian Fischer, Dr. Markus Forschner, Stefan Grosch, Dr. Markus Heyn, Dr. Frank Meyer, Katja von Raven, Dr. Tanja Rückert August 04, 2025 Page 2 of 2 virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees. Sincerely, Markus Lindner Head of Engineering XC-CE/EPA [email protected] Telephone: +49(711)811-37569 Robert Bosch GmbH Daniel Kornek Director XC-CE/PAA [email protected] Telephone: +49(711)811-16284 Robert Bosch GmbH

Robert Bosch GmbH Postfach 10 60 50 70049 Stuttgart Visitor: Mittlerer Pfad 9 70499 Stuttgart Phone 0711 811-0 www.bosch.com Certification designating a U.S. agent for service of process. As required by section 2.911(d)(7) Date: 17 November 2025 cetecom advanced GmbH Untertuerkheimer Str. 6-10 66117 Saarbruecken Germany FCC ID: 2AAJC-PKA3AA, 2AAJC-PKA3BA To whom it may concern: we, Robert Bosch GmbH, Robert-Bosch-Platz 1, 70839 Gerlingen, Germany, FRN: 0022798011, certify that: Wiley Rein LLP, 2050 M Street, NW, Washington, DC 20036, FRN: 0035942069, Sara Baxenberg, [email protected], is our designated U.S. agent for service of process and we acknowledge: - our consent to accept service of process in the United States for matters related to the applicable equipment at the physical U.S. address and email address of the designated U.S. agent; Registered Office: Stuttgart, Registration Court: Amtsgericht Stuttgart, HRB 14000; Chairman of the Supervisory Board: Prof. Dr. Stefan Asenkerschbaumer; Managing Directors: Dr. Stefan Hartung, Dr. Christian Fischer, Dr. Markus Forschner, Stefan Grosch, Dr. Markus Heyn, Dr. Frank Meyer, Katja von Raven, Dr. Tanja Rückert August 04, 2025 Page 2 of 3 - the acceptance to maintain an U.S. 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. Applicant Sincerely, Markus Lindner Head of Engineering XC-HWP/EEA [email protected] Telephone: +49(711)811-37569 Robert Bosch GmbH Daniel Kornek Director XC-CE/PAA [email protected] Telephone: +49(711)811-16284 Robert Bosch GmbH Registered Office: Stuttgart, Registration Court: Amtsgericht Stuttgart, HRB 14000; Chairman of the Supervisory Board: Prof. Dr. Stefan Asenkerschbaumer; Managing Directors: Dr. Stefan Hartung, Dr. Christian Fischer, Dr. Markus Forschner, Stefan Grosch, Dr. Markus Heyn, Dr. Frank Meyer, Katja von Raven, Dr. Tanja Rückert August 04, 2025 Page 3 of 3 Designated U.S. Agent We acknowledge our obligation to accept service of process in the United States for matters related to the applicable equipment at our physical U.S. address and email address stated above. __________________________ By: Sara Baxenberg Title: Partner Company: Wiley Rein LLP Telephone: (202) 719-7000 3755 e-mail: [email protected]

Robert Bosch GmbH Postfach 10 60 50 70049 Stuttgart Visitor: Mittlerer Pfad 9 70499 Stuttgart Phone 0711 811-0 www.bosch.com FCC Confidentiality request Date: 17 November 2025 cetecom advanced GmbH Untertuerkheimer Str. 6-10 66117 Saarbruecken Germany FCC ID: 2AAJC-PKA3AA, 2AAJC-PKA3BA To whom it may concern: pursuant to §0.457(d)(1)(ii) and §0.459 of the Commission’s Rules, (47 C.F.R.) and §552 (b)(4) of the Freedom of Information Act, we, Robert Bosch GmbH, Robert-Bosch-Platz 1, 70839 Gerlingen, Germany, hereby requests that a part of the subject FCC application be held confidential to avoid release of sensitive information of the product to the public. For the product stated above, we request that the following information be withheld from public disclose: Registered Office: Stuttgart, Registration Court: Amtsgericht Stuttgart, HRB 14000; Chairman of the Supervisory Board: Prof. Dr. Stefan Asenkerschbaumer; Managing Directors: Dr. Stefan Hartung, Dr. Christian Fischer, Dr. Markus Forschner, Stefan Grosch, Dr. Markus Heyn, Dr. Frank Meyer, Katja von Raven, Dr. Tanja Rückert August 04, 2025 Page 2 of 3 Type of Confidentiality Requested Exhibit Short Term Permanent Block Diagrams Short Term External Photos Short Term Internal Photos Short Term Permanent Operation Description Short Term Permanent Parts List & Placement/BOM Short Term Permanent Tune-Up Procedure Short Term Permanent Schematics Short Term Test Setup Photos Short Term User’s Manual Short Term Permanent SDR software and security information Permanent Confidentiality: The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to us and provide unjustified benefits to our competitors. Short-Term Confidentiality: We hereby request short-term confidentiality for the product stated above to avoid premature release of sensitive information prior to marketing or release of the product to the public. Release date of short-term confidentiality is: 45 days from grant date marked 90 days from grant date marked 135 days from grant date marked 180 days from grant date marked Specific date: We are also aware that we are responsible to notify CETECOM ADVANCED GMBH in the event information regarding the product or the product is made available to the public. CETECOM ADVANCED GMBH will then release the Registered Office: Stuttgart, Registration Court: Amtsgericht Stuttgart, HRB 14000; Chairman of the Supervisory Board: Prof. Dr. Stefan Asenkerschbaumer; Managing Directors: Dr. Stefan Hartung, Dr. Christian Fischer, Dr. Markus Forschner, Stefan Grosch, Dr. Markus Heyn, Dr. Frank Meyer, Katja von Raven, Dr. Tanja Rückert August 04, 2025 Page 3 of 3 documents listed above for public disclosure pursuant to FCC Public Notice DA 04-1705. Sincerely, Markus Lindner Head of Engineering XC-HWP/EEA [email protected] Telephone: +49(711)811-37569 Robert Bosch GmbH Daniel Kornek Director XC-CE/PAA [email protected] Telephone: +49(711)811-16284 Robert Bosch GmbH

AUDI PK Housing Markings 2AAJC-PKA3AA 24305-PKA3AA 2AAJC-PKA3AA 24305-PKA3AA 2AAJC-PKA3BA 24305-PKA3BA

© cetecom advanced GmbH Page 1 of 7 TEST REPORT Test report no.: 1-7825-24-01-06_TR1-R01 RF Exposure consideration according to FCC447498D04 V1 Testing laboratory Applicant cetecom advanced GmbH Untertuerkheimer Strasse 6 – 10 66117 Saarbruecken / Germany Phone: + 49 681 5 98 - 0 Fax: + 49 681 5 98 - 9075 Internet: https://cetecomadvanced.com e-mail: [email protected] Accredited Testing Laboratory: The testing laboratory (area of testing) is accredited according to DIN EN ISO/IEC 17025 (2018-03) by the Deutsche Akkreditierungsstelle GmbH (DAkkS). The accreditation is valid for the scope of testing procedures as stated in the accreditation certificate with the registration number: D-PL-12047-01-00. ISED Testing Laboratory Recognized Listing Number: DE0001 FCC designation number: DE0002 ROBERT BOSCH GmbH Robert-Bosch-Platz 1 70839 Gerlingen / GERMANY Phone: +49 711 811-0 Contact: Volker Dr. Schlechter e-mail: [email protected] Phone: +49 711 811-47781 Manufacturer ROBERT BOSCH GmbH Robert-Bosch-Platz 1 70839 Gerlingen / GERMANY Test Item Kind of test item: Perfectly Keyless Anchor Model name: PKA3BA FCC ID: 2AAJC-PKA3BA Frequency: 4750 MHz to 10600 MHz Technology: UWB This test report is electronically signed and valid without handwritten signature. For verification of the electronic signatures, the public keys can be requested at the testing laboratory. Test report authorized: Test performed: Alexander Hnatovskiy Eric Tuettmann Lab Manager Testing Manager Radio Labs Radio Labs Test report no.: 1-7825-24-01-06_TR1-R01 © cetecom advanced GmbH Page 2 of 7 1 Table of contents 1 Table of contents ............................................................................................................................................. 2 2 General Information ......................................................................................................................................... 3 2.1 Notes and Disclaimer ............................................................................................................................ 3 2.2 References ............................................................................................................................................ 3 3 General RF Exposure Test Exemptions ............................................................................................................ 4 3.1 MPE-Based Test Exemption ................................................................................................................. 5 4 MPE-Based Test Exemption ............................................................................................................................ 6 4.1 Detailed Description .............................................................................................................................. 6 4.2 Results ................................................................................................................................................... 7 5 Conclusion ........................................................................................................................................................ 7 Test report no.: 1-7825-24-01-06_TR1-R01 © cetecom advanced GmbH Page 3 of 7 2 General Information 2.1 Notes and Disclaimer The test results of this test report relate exclusively to the test item specified in this test report. cetecom advanced GmbH does not assume responsibility for any conclusions and generalizations drawn from the test results with regard to other specimens or samples of the type of the equipment represented by the test item. The test report may only be reproduced or published in full. Reproduction or publication of extracts from the report requires the prior written approval of cetecom advanced GmbH. The testing service provided by cetecom advanced GmbH has been rendered under the current "General Terms and Conditions for cetecom advanced GmbH". cetecom advanced GmbH will not be liable for any loss or damage resulting from false, inaccurate, inappropriate or incomplete product information provided by the customer. Under no circumstances does the cetecom advanced GmbH test report include any endorsement or warranty regarding the functionality, quality or performance of any other product or service provided. Under no circumstances does the cetecom advanced GmbH test report include or imply any product or service warranties from cetecom advanced GmbH, including, without limitation, any implied warranties of merchantability, fitness for purpose, or non-infringement, all of which are expressly disclaimed by cetecom advanced GmbH. All rights and remedies regarding vendor’s products and services for which cetecom advanced GmbH has prepared this test report shall be provided by the party offering such products or services and not by cetecom advanced GmbH. In no case this test report can be considered as a Letter of Approval. This test report is electronically signed and valid without handwritten signature. For verification of the electronic signatures, the public keys can be requested at the testing laboratory. 2.2 References Guidance Version Description 47 CFR 1.1307 Actions that may have a significant environmental effect, for which Environmental Assessments (EAs) must be prepared. 47 CFR 2.1091 Radiofrequency radiation exposure evaluation: mobile devices. 47 CFR 2.1093 Radiofrequency radiation exposure evaluation: portable devices. KDB 447498 D04 v01 Interim General RF Exposure Guidance: RF Exposure Procedures and Equipment Authorization Policies for Mobile and Portable Devices Test report no.: 1-7825-24-01-06_TR1-R01 © cetecom advanced GmbH Page 4 of 7 3 General RF Exposure Test Exemptions KDB 447498 D04 Interim General RF Exposure Guidance v01, section 2.1.1: RF exposure test exemptions provide means to obtain certification without the need of showing data (measurements, or analytical/numerical modeling) to demonstrate compliance. Hereafter, in t…

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From Our Reference Phone XC-HWP/EEA2 Jochen Briem +49 711 811-31240 Stuttgart-Weilimdorf September 22, 2025 PK024_QMCEA_033_Antenna_Specification.docx Page 1 of 4 Inhalt 1 Antenna Structure ................................................................................................................... 2 1.1 UWB ................................................................................................................................ 2 2 Antenna Maximum Gains ........................................................................................................ 3 2.1 UWB ................................................................................................................................ 3 Report Issue V0.4 Topic Antenna Specification PK Gen3 PKA3AA, PKA3BA Description Antenna Characteristics From Our Reference Phone XC-HWP/EEA2 Jochen Briem +49 711 811-31240 Stuttgart-Weilimdorf September 22, 2025 Report Issue Please enter issue Topic Please enter topic PK024_QMCEA_033_Antenna_Specification.docx Page 2 of 4 1 Antenna Structure All antennas are company-own PCB antennas. Overview of PCB with its antennas can be taken from Layout. 1.1 UWB UWB uses three monopole antennas. One for transmission and two for receiption (dependent on direction and functionality). The structure of both RX antennas is identical. Figure 1: UWB TX monopole antenna Figure 2: RX antenna (both RX antennas are identical). Figure 3: Inverted F antenna. From Our Reference Phone XC-HWP/EEA2 Jochen Briem +49 711 811-31240 Stuttgart-Weilimdorf September 22, 2025 Report Issue Please enter issue Topic Please enter topic PK024_QMCEA_033_Antenna_Specification.docx Page 3 of 4 2 Antenna Maximum Gains 2.1 UWB Maximum antenna Gains can be found in the following table: Frequency (GHz) UWB Tx El (dBi) Az (dBi) 64MHz –73.9 125MHz –62.3 249MHz –50.2 498MHz –37.9 1.6 -13.41 -14.51 2.7 0.21 -1.65 2.43GHz –1.5 3.49GHz –0.5 4.37 0.04 -2.99 4.7 0.03 -3.08 6.115 2.22 -0.09 6.3649 2.32 -0.16 6.489 2.24 -0.12 6.6768 2.18 -0.27 6.988 2.10 -0.08 7.2096 2.11 0.02 7.25 2.13 0.08 7.488 2.27 0.44 7.587 2.3 0.34 7.662 2.34 0.35 7.987 2.40 0.54 8.4 2.47 0.09 8.498 2.55 0.13 8.5 2.55 0.13 10.25 2.36 -0.34 10.6 1.85 -0.10 10.7 2.02 -0.16 11.7 4.33 -0.54 12.75 2.7 2.02 15.974 4.93 0.16 18 5.46 0.16 From Our Reference Phone XC-HWP/EEA2 Jochen Briem +49 711 811-31240 Stuttgart-Weilimdorf September 22, 2025 Report Issue Please enter issue Topic Please enter topic PK024_QMCEA_033_Antenna_Specification.docx Page 4 of 4 26 1.23 0.61 UWB Rx: Frequency Ant 2 (PCB side of UWB TX antenna) Az Gain (dBi) El Gain (dBi) 6.489GHz 3.9 3.8 7.987GHz 1.9 2.3

TEST REPORT Test report no.: 1-7825-24-01-03_TR1-R01 Testing laboratory Applicant cetecom advanced GmbH Untertuerkheimer Strasse 6 – 10 66117 Saarbruecken / Germany Phone: + 49 681 5 98 - 0 Fax: + 49 681 5 98 - 9075 Internet: https://www.cetecomadvanced.com e-mail: [email protected] Accredited Testing Laboratory: The testing laboratory (area of testing) is accredited according to DIN EN ISO/IEC 17025 (2018-03) by the Deutsche Akkreditierungsstelle GmbH (DAkkS). The accreditation is valid for the scope of testing procedures as stated in the accreditation certificate with the registration number: D-PL-12047-01-00. ISED Testing Laboratory Recognized Listing Number: DE0001 FCC designation number: DE0002 ROBERT BOSCH GmbH Robert-Bosch-Platz 1 70839 Gerlingen / GERMANY Phone: +49 711 811-0 Contact: Volker Dr. Schlechter e-mail: [email protected] Phone: +49 711 811-47781 Manufacturer ROBERT BOSCH GmbH Robert-Bosch-Platz 1 70839 Gerlingen / GERMANY Test standard/s FCC - Title 47 CFR Part 15 FCC - Title 47 of the Code of Federal Regulations; Chapter I; Part 15 - Radio frequency devices For further applied test standards please refer to section 3 of this test report. Test Item Kind of test item: Perfectly Keyless Anchor Model name: PKA3BA FCC ID: 2AAJC-PKA3BA Frequency band: 4750 MHz to 10600 MHz Technology tested: UWB Antenna: Integrated antenna Power supply: 6 V to 16 V DC by external power supply (vehicular battery) Temperature range: -40°C to +95°C This test report is electronically signed and valid without handwritten signature. For verification of the electronic signatures, the public keys can be requested at the testing laboratory. Test report authorized: Test performed: Frank Heussner Stephan Thiel Coordinator Area Testing Manager Radio Labs Radio Labs Test report no.: 1-7825-24-01-03_TR1-R01 © cetecom advanced GmbH Page 2 of 124 1 Table of contents 1 Table of contents ....................................................................................................................................... 2 2 General information ................................................................................................................................... 4 2.1 Notes and disclaimer ....................................................................................................................... 4 2.2 Application details ........................................................................................................................... 4 2.3 Involved test locations ..................................................................................................................... 5 2.4 Test laboratories sub-contracted ..................................................................................................... 5 2.5 Laboratory listings and recognitions ................................................................................................ 5 3 Test standard/s, references and accreditations ......................................................................................... 6 4 Reporting statements of conformity – decision rule .................................................................................. 7 5 Test environment ...................................................................................................................................... 7 6 Test item ................................................................................................................................................... 8 6.1 General description .......................................................................................................................... 8 6.2 Additional information ..................................................................................................................... 9 7 Description of the test setup .................................................................................................................... 10 7.1 Shielded semi anechoic chamber ................................................................................................... 11 7.2 Shielded fully anechoic chamber ................................................................................................... 13 7.3 Radiated measurements > 18 GHz ................................................................................................. 15 8 Sequence of testing ................................................................................................................................. 16 8.1 Sequence of testing radiated spurious 9 kHz to 30 MHz ................................................................ 16 8.2 Sequence of testing radiated spurious 30 MHz to 1 GHz................................................................ 17 8.3 Sequence of testing radiated spurious 1 GHz to 18 GHz ................................................................ 18 8.4 Sequence of testing radiated spurious above 18 GHz .................................................................... 19 8.5 Sequence of testing efficient use of spectrum ............................................................................... 20 9 Measurement uncertainty ........................................................................................................................ 21 10 Summary of measurement results ..................................................................................................... 22 11 Additional comments ......................................................................................................................... 23 12 Measurement results ......................................................................................................................... 25 12.1 10 dB - Bandwidth ..................................................................................................................... 25 12.1.1 Results: Frame CCC-SP3, Channel CH5, Power setting 36 ....................…

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