2AWIT-5190A1TLV Charge V2

© 2026 Kistler Group www.kistler.com Kistler Instrument AG Eulachstrasse 22 CH-8408 Winterthur Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 6/19/2026 Attestation Statement according to 2.911(d)(5)(i) and 2.911(d)(5)(ii) FCC ID: 2AWIT-5190A1 TO WHOM IT MAY CONCERN: Hereby we 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. Further we certify that, as of the date of the filing of the application, Kistler Instrumente AG is not identified on the Covered List as an entity producing “covered” equipment. Sincerely, C. Gerber Product Compliance Coordinator R. Odermatt Head of Product Care Electronics Kistler Instrument AG FRN 0029608361 Eulachstrasse 22 CH-8408 Winterthur +41 52 224 11 11 [email protected]

© 2026 Kistler Group www.kistler.com Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 1/22/2026 U.S. Agent Designation Kistler Instrumente AG acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought (FCC ID: 2AWIT-5190A1): Name and company of U.S. agent: Kistler Instrument Corp. Physical U.S. address of agent: 30280 Hudson Drive, 48377 Novi, MI, USA FRN of U.S. agent: 0033616137 Email address of U.S. agent: [email protected] Kistler Instrument Corp. acknowledges their obligation to accept service of process on behalf of Kistler Instrumente AG. Kistler Instrumente AG with the FRN 0029608361 accepts its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(d)(7). The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify the FCC within 30 days via the granting TCB. Sincerely, C. Gerber Product Compliance Specialist R. Odermatt Team Leader Electronics Hardware Kistler Instrument AG Eulachstrasse 22 CH-8408 Winterthur Signature Kim Pfluger General Manager North America Kistler Instrument Corporation Docusign Envelope ID: 7D8E45FB-5363-43FF-8EFC-E4D7A2E9E36D

© 2025 Kistler Group www.kistler.com CONFIDENTIALITY REQUEST for Certification Service in USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 2025/01/19 TO WHOM IT MAY CONCERN Pursuant to Paragraphs §0.457 and 0.459 of the Commission’s Rules (47 C.F.R.) and Section §552(b) (4) of the Freedom of Information Act, we requests confidentiality for the following products: FCC ID: 2AWIT-5190A1 Model name: TMS cAmp For the product stated above, we request that the following information be held confidential; Exhibits Long-Term Confidentiality Short-Term Confidentiality External Photos Internal Photos Block Diagram Schematics Test Setup Photos User’s Manual Parts List Tune Up Operational Description The long-term confidentiality exhibits contain our trade secrets and proprietary information that could be of benefit to our competitors. Our request for short-term confidentiality is based on ensuring that business-sensitive information remains confidential until the actual marketing of our new device, which is scheduled for. We respectfully request a period of 180 days from the date of certification by the FCC. Internal Photos In accordance with KDB 726920 D01, Chapter II, Section 3) a) 1, we request long-term confidentiality for the internal photos. This is due to the fact that our device is completely encapsulated. If you have any questions, please feel free to contact me at the address shown below. Sincerely, C. Gerber Product Compliance Specialist R. Odermatt Team Leader Electronics Hardware Kistler Instrument AG Eulachstrasse 22 CH-8408 Winterthur

© 2026 Kistler Group www.kistler.com Labeling for FCC and ISED FCC ID: 2AWIT-5190A1 IC: 28487-5190A

cetecom advanced GmbH Document No. 1-2202-25-01-04_TR1-R02 Untertuerkheimer Str. 6-10, 66117 Saarbruecken Page 1 of 19 Test Report No. 1-2202-25-01-04_TR1-R02 This test report is electronically signed and valid without handwritten signature. Public keys for verification of the electronic signatures can be requested at the testing laboratory. June 25, 2026 authorized by Alexander Hnatovskiy Coordinator Area Regulatory Services Radio created by Marco Scigliano Testing Manager Regulatory Services Radio Applicant Kistler Instrumente AG Product Charge Amplifier Model TMS Charge Amplifier Module FCC-ID: 2AWIT-5190A1 Test Standard(s) 47 CFR 1.1307 47 CFR 2.1091 47 CFR 2.1093 KDB 447498 KDB 680106 Further applied standards are listed in chapter 7 - Test Standards. Verdict ☒ PASS: All of the performed measurements acc. to the standard(s) are PASSED The test results relate only to devices specified in this document cetecom advanced GmbH Document No. 1-2202-25-01-04_TR1-R02 Untertuerkheimer Str. 6-10, 66117 Saarbruecken Page 2 of 19 Table of content 1 Disclaimer ............................................................................................................................................................... 3 2 Related cetecom advanced documents ................................................................................................................ 3 3 Document history ................................................................................................................................................... 3 Current release............................................................................................................................................... 3 Previous releases .......................................................................................................................................... 3 4 Test laboratory ........................................................................................................................................................ 4 Contact information ...................................................................................................................................... 4 Involved test locations .................................................................................................................................. 4 Subcontracted laboratories .......................................................................................................................... 4 Common report information ......................................................................................................................... 4 Abbreviations ................................................................................................................................................. 4 5 Client information ................................................................................................................................................... 5 Applicant ........................................................................................................................................................ 5 Manufacturer ................................................................................................................................................. 5 Application Details ......................................................................................................................................... 5 6 Test sample information ........................................................................................................................................ 6 Test Item (declared by applicant) ................................................................................................................. 6 7 Test Standards ........................................................................................................................................................ 7 RF exposure limits according CFR47 (Subpart I - §1.1310 ) ....................................................................... 7 8 Reporting statements of conformity – decision rule ........................................................................................... 8 9 Summary of Measurement Results ....................................................................................................................... 8 10 Test Environment .................................................................................................................................................... 8 11 Test Setup ............................................................................................................................................................... 9 Measurement system .................................................................................................................................... 9 Test results .................................................................................................................................................. 12 Final verdict .................................................................................................................................................. 14 EUT and test setup photos .......................................................................................................................... 15 cetecom advanced GmbH Document No. 1-2202-25-01-04_TR1-R02 Untertuerkheimer Str. 6-10, 66117 Saarbruecken Page 3 of 19 1 Disclaimer The test results of this test report relate exclusively to the test item specified in chapter “Test sample information”. cetecom advanced does not assume responsibility for any conclusions and generalizations drawn from the test results regarding other specimens or samples of the type of the equipment represented by the test item. The testing service provided by cetecom advanced has been rendered under the current "General Terms and Conditions for cetecom advanced". cetecom advanced …

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© 2025 Kistler Group www.kistler.com Federal Communications Commission Equipment Authorization Division Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 Innovation, Science and Economic Development Canada Spectrum Engineering Branch 3701 Carling Avenue, Building 94 Ottawa, Ontario K2H 8S2 2026-01-19 Declaration of no Antenna Specification (Part 15C/RSS Devices) For this model, all required RF tests according to FCC Part 15C/ISED RSS have been performed radiated. Therefore, no specific antenna specification is required and will not be submitted as part of the technical documentation. The declaration applies to the model: FCC ID IC: Model 2AWIT-5190A1 28487-5190A 5190A If you have any questions, please feel free to contact me at the address shown below. Contact Name: Christian Gerber Company Name: Kistler Instrumente AG Address: Eulachstrasse 22, CH-8408 Winterthur Phone: +41 52 224 11 11 Email: [email protected] Sincerely, C. Gerber Product Compliance Specialist R. Odermatt Team Leader Electronics Hardware Kistler Instrument AG Eulachstrasse 22 CH-8408 Winterthur

TEST REPORT Test report no.: 1-2202-25-01-02_TR1-R02 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 Kistler Instrumente AG Else-Züblin-Strasse 17 8404 Winterthur / SWITZERLAND Phone: +41 52-224 11 11 Contact: Christian Gerber e-mail: [email protected] Manufacturer Kistler Instrumente AG Else-Züblin-Strasse 17 8404 Winterthur / SWITZERLAND 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 RSS - 210 Issue 11 Spectrum Management and Telecommunications Radio Standards Specification - Licence-Exempt Radio Apparatus: Category I Equipment RSS - Gen Issue 5 incl. Amendment 1 & 2 Spectrum Management and Telecommunications Radio Standards Specification - General Requirements for Compliance of Radio Apparatus For further applied test standards please refer to section 3 of this test report. Test Item Kind of test item: Charge Amplifier Model name: TMS Charge Amplifier Module FCC ID: 2AWIT-5190A1 ISED certification number: 28487-5190A Frequency: 13.110 MHz – 14.010 MHz Technology tested: RFID Antenna: Integrated antenna Power supply: 7.5 V to 15.0 V DC, by external power supply Temperature range: -20°C to +65°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: Christoph Schneider Hans-Joachim Wolsdorfer Coordinator Area Lab Manager Regulatory Services Radio Regulatory Services Radio Test report no.: 1-2202-25-01-02_TR1-R02 © cetecom advanced GmbH Page 2 of 24 1 Table of contents 1 Table of contents ....................................................................................................................................... 2 2 General information ................................................................................................................................... 3 2.1 Notes and disclaimer ....................................................................................................................... 3 2.2 Application details ........................................................................................................................... 3 2.3 Test laboratories sub-contracted ..................................................................................................... 3 3 Test standard/s, references and accreditations ......................................................................................... 4 4 Reporting statements of conformity – decision rule .................................................................................. 5 5 Test environment ...................................................................................................................................... 6 6 Test item ................................................................................................................................................... 6 6.1 General description .......................................................................................................................... 6 6.2 Additional information ..................................................................................................................... 6 7 Description of the test setup ...................................................................................................................... 7 7.1 Shielded semi anechoic chamber ..................................................................................................... 8 7.2 Shielded fully anechoic chamber ................................................................................................... 10 7.3 Conducted measurements normal and extreme conditions ............................................................ 11 8 Sequence of testing ................................................................................................................................. 12 8.1 Sequence of testing radiated spurious 9 kHz to 30 MHz ................................................................ 12 8.2 Sequence of testing radiated spurious 30 MHz to 1 GHz................................................................ 13 9 Measurement uncertainty ........................................................................................................................ 14 10 Summary of measurement results ..................................................................................................... 15 11 Additional comments ......................................................................................................................... 15 12 Measurement results ......................................................................................................................... 16 12.1 Occupied bandwidth .................................................................................................................. 16 12.2 Field strength of the fundamental .............................................................................................. 17 12.3 Field strength of the harmonics and spurious ............................................................................ 18 12.4 Frequency error .....................................................................................................…

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