PH29799G7 Transmitter

Page 1 of 1 6340 Sequence Drive San Diego, CA 92121 1- 888-738-3646 www.dexcom.com Date: 05-18-2026 To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Ref: Attestation Statements Part 2.911(d)(5)(i) and Part 2.911(d)(5)(ii) Filing Re. KDB 986446 D01 FCC ID: PH29799 Dear Sir or Madam, Dexcom, 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. We also certify 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. We further attest that the equipment for which authorization is sought does not contain integrated Kaspersky cybersecurity and/or anti-virus software produced by Kaspersky Lab Inc. or any of its successors and assignees. If you have any questions, please contact us. Sincerely, Name: Vivian Wu Company name: Dexcom, Inc Address: 6340 Sequence Drive, San Diego, CA 92121, USA E- mail: [email protected]

Page 1 of 1 6340 Sequence Drive San Diego, CA 92121 1- 888-738-3646 www.dexcom.com Date 05/18/2026 TUV SUD America Inc. 401 Edgewater Drive Ste 500 Wakefield MA 01880 Dear Sir or Madam, We, Dexcom, Inc.6340 Sequence Drive, San Diego, 92121, USA hereby authorize Rossana Sarai of TUV SUD America, 5945 Cabot Parkway, Alpharetta, GA 30005 to act as our agent in all matters relating to applications for equipment authorization, including the signing of all documents relating to these matters. Yours sincerely, Name: Vivian Wu Title: Sr. Staff Quality Assurance Engineer Dexcom, Inc.

Page 1 of 1 6340 Sequence Drive San Diego, CA 92121 1- 888-738-3646 www.dexcom.com Date 05-18-2026 Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 Confidentiality Request FCC ID: PH29799 Pursuant to Sections 0.457(d)(1)(ii) and 0.459 of the Commission’s Rules, Dexcom, Inc. hereby requests permanent confidential treatment of information accompanying this application as outlined below: Schematics Bill of Materials/Parts List Block Diagrams Theory of Operation Dexcom, Inc. also hereby requests short-term confidential treatment of information accompanying this application as outlined below for a period of 180 days: Internal Photos External Photos User Manual Test Set-up Photographs 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 the Applicant and provide unjustified benefits to its competitors. The Applicant understands that pursuant to Rule 0.457(d)(1)(ii), disclosure of this Application and all accompanying materials will not be made before the date of the Grant for this Application. Yours sincerely, Name: Vivian Wu Title: Sr. Staff Quality Assurance Engineer

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TÜV SÜD AMERICA INC 10040 Mesa Rim Road San Diego, CA 92121-2912 Phone: 858 678 1400 FAX: 858 546 0364 March 15, 2024 TUV SUD America CB 401 Edgewater Place Suite 500 Wakefield, MA 01880 Attention: Director of Certification RE: Analysis of RF Exposure for Portable and Mobile use per CFR Title 47 Chapter I Subchapter A §1.1307(b)(3)(i)(A) and RSS-102 Issue 6 December 15, 2023 FCC ID: PH29799 and IC: 9290A-900620 General Information: Applicant: Dexcom Inc. Environment: General Population/Uncontrolled Exposure Exposure Conditions: Portable Technical Information: Minimum Test Separation Distance: 5 mm Highest Operating Frequency: 2480 MHz Antenna Type: PCB Inverted F Antenna Gain: -1.57 dBi Maximum Transmitter EIRP: -2.07 dBm, 0.62 mW The EUT is exempt from routine evaluation per the 1 mW Blanket Exemption of §1.1307(b)(3)(i)(A) having a maximum transmitter EIRP of 0.62 mW. Guidance is from Section 2.1.1 and 2.1.2 of KDB447498 D04. The EUT also complies with RSS-102 Exemption Limits for Routine SAR Evaluation per Section 6.3 and Table 11. 1mW is also used as exemption threshold (worst case) which typically applies to implanted medical devices. Sincerely, Ferdie S. Custodio Name Authorized Signatory Title: Senior EMC Test Engineer /Wireless Team Lead

TÜV SÜD America, Inc. 10040 Mesa Rim Road San Diego, CA 92121-2912 TÜV SÜD America, Inc. Rancho Bernardo Facility 16936 Via Del Campo San Diego, CA 92127 Phone: 858 678 1400 www.TÜV-sud-america.com TÜV SÜD RESPONSIBLE FOR NAME DATE SIGNATURE Authorized Signatory Omar Castillo April 08, 2024 Signatures in this approval box have checked this document in line with the requirements of TÜV SÜD document control rules. EXECUTIVE SUMMARY A sample of this product was tested and found to be in compliance with FCC Part 15 Subpart C §15.247 and IC RSS-247 Issue 3 August 2023. Radio Testing of the Dexcom Inc. Glucose Monitoring System Model: G7 Transmitter MT-26023-60 (SiLabs BG24 BLE Transceiver) In accordance with FCC Part 15 Subpart C §15.247 and IC RSS-247 Issue 3 August 2023 Prepared for: Dexcom Inc. 6340 Sequence Dr. San Diego, CA 92121 USA COMMERCIAL-IN-CONFIDENCE Date: April 2024 Document Number: 72194262B Issue 01 | Version Number: 01 A2LA Cert. No. 2955.13 DISCLAIMER AND COPYRIGHT This report has been prepared by TÜV SÜD America with all reasonable skill and care. The document is confidential to the potential Client and TÜV SÜD America. No part of this document may be reproduced without the prior written approval of TÜV SÜD America. ACCREDITATION Our A2LA Accreditation does not cover opinions and interpretations and any expressed are outside the scope of our A2LA Accreditation. FCC ID: PH29799 IC : 9290A-900620 Report No. 72194262B COMMERCIAL-IN-CONFIDENCE Page 2 of 66 REPORT ON TEST REPORT NUMBER TEST REPORT DATE Radio Testing of the Dexcom Inc. Model: G7 Transmitter MT-26023-60 (SiLabs BG24 BLE Transceiver) 72194262B April 2024 PREPARED FOR Dexcom Inc. 6340 Sequence Dr. San Diego, CA 92121 USA CONTACT PERSON Renold Rodrigues Sr. Staff Compliance Engineer [email protected] +1 (860) 378-7422 PREPARED BY Ferdinand S. Custodio Name Authorized Signatory Title: Senior EMC Test Engineer / Wireless Team Lead APPROVED BY Omar Castillo Name Authorized Signatory Title: Senior EMC/Wireless Test Engineer DATED April 08, 2024 FCC ID: PH29799 IC : 9290A-900620 Report No. 72194262B COMMERCIAL-IN-CONFIDENCE Page 3 of 66 Revision History 72194262B Dexcom Inc. Model: G7 Transmitter MT-26023-60 (SiLabs BG24 BLE Transceiver) DATE OLD REVISION NEW REVISION REASON PAGES AFFECTED APPROVED BY 04/04/2024 ― Initial Release Omar Castillo 04/08/2024 Issue 02 Model # update to pg. 6 Radio # number upate pg. 8 Pages 6,8 Joe Salvador FCC ID: PH29799 IC : 9290A-900620 Report No. 72194262B COMMERCIAL-IN-CONFIDENCE Page 4 of 66 CONTENTS Section Page No 1 REPORT SUMMARY ................................................................................................................... 5 1.2 Brief Summary of Results ............................................................................................................. 7 1.3 Product Information ...................................................................................................................... 8 1.4 EUT Test Configuration ................................................................................................................ 8 1.5 Deviations From The Standard ..................................................................................................... 9 1.6 Modification Record .................................................................................................................... 10 1.7 Test Methodology ....................................................................................................................... 10 1.8 Test Facility Location .................................................................................................................. 10 1.9 Test Facility Registration ............................................................................................................ 10 2 TEST DETAILS .......................................................................................................................... 12 2.1 Peak Output Power..................................................................................................................... 13 2.2 Conducted Emissions ................................................................................................................. 17 2.3 99% Emission Bandwidth ........................................................................................................... 18 2.4 Minimum 6 dB RF Bandwidth ..................................................................................................... 22 2.5 Out-Of-Band Emissions - Conducted ......................................................................................... 26 2.6 Band-Edge Compliance of RF Conducted Emissions ................................................................ 34 2.7 Radiated Spurious Emissions ..................................................................................................... 39 2.8 Power Spectral Density .............................................................................................................. 49 3 TEST EQUIPMENT USED ......................................................................................................... 57 3.1 Test Equipment Used ................................................................................................................. 58 3.2 Measurement Uncertainty .......................................................................................................... 59 4 DIAGRAM OF TEST SETUP ..................................................................................................... 61 4.1 Test Setup Diagram .................................................................................................................... 62 5 ACCREDITATION, DISCLAIMERS AND COPYRIGHT ............................................................ 65 5.1 Accreditation, Disclaimers and Copyright ................................................................................... 66 FCC I…

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