OH27731The Guardian Link transmitter is a component of the continuous glucose monitoring system for the MiniMed 600 series insulin pumps. The transmitter collects data from the glucose sensor and then wirelessly sends the data to the insulin pump.

Agent Authorization Letter 1/8/2015 To Whom It May Concern: We hereby delegate CKC Certification Services, LLC (CKC CS) power of attorney to act on our behalf in matters pertaining to certification of products. The actions of CKC CS shall be considered the same as our own. Sincerely, Bob Vitti Bob Vitti Sr. Manager, Design Assurance/Reliability Engineering

2/12/2015 Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Subject: Request for Permanent Confidentiality To whom it may concern: In accordance with 47CFR Section 0.457 and Section 0.459 pertaining to confidential material, we hereby request to hold permanently confidential all information contained within the below identified exhibits/document categories submitted pursuant to radio equipment certification requirements for FCC ID: OH2-7731 1. Block Diagram 2. Operational Description 3. Schematics 4. Parts List / Tune-Up Procedure The above material contains trade secrets and proprietary information as specified by 47CFR 0.457(d) and technical data, which would customarily be guarded from competitors. The public disclosure of this information might be harmful to our company and provide unjustified benefits to our competitors. Sincerely, Bob Vitti Bob Vitti Sr Manager, Design Assurance/ Reliability Engineering Medtronic MiniMed

2. External Photos GST3A2_BOTTOM 3 GST3A2_TOP SIDE 4 GST3A2_FRONT SIDE GST3A2_BACK SIDE 5 GST3A2_LEFT SIDE GST3A2_RIGHT SIDE 6

IP48IP48 SN GT FCC ID: OH27731 IC: 3408B-7763 XXXX MP5082062-007_B REF MMT-7763 Medtronic Guardian™ link

1 GLUCOSE SENSOR TRANSMITTER III (GST3A2) MMT‐7763 1. Internal Photos 2. External Photos \ 1. Internal Photos GTS3A2 _PCB TOP GTS3A2 _PCB BOTTOM 2

The output power of this product is below the threshold requiring RF exposure evaluation. This device is exempt from RF Exposure review.

This report contains a total of 30 pages and may be reproduced in full only. Partial reproduction may only be done with the written consent of CKC Laboratories, Inc. Medtronic MiniMed TEST REPORT FOR GST3 Glucose Sensor Transmitter, MMT-7763A Tested To The Following Standards: FCC Part 15 Subpart C Sections 15.247 Report No.: 95059-8 Date of issue: October 31, 2013 This test report bears the accreditation symbol indicating that the testing performed herein meets the test and reporting requirements of ISO/IEC 17025 under the applicable scope of EMC testing for CKC Laboratories, Inc. We strive to create long-term, trust based relationships by providing sound, adaptive, customer first testing services. We embrace each of our customers’ unique EMC challenges, not as an interruption to set processes, but rather as the reason we are in business. Page 2 of 30 Report No.: 95059-8 TABLE OF CONTENTS Administrative Information ........................................................................................................................................... 3 Test Report Information ............................................................................................................................................ 3 Report Authorization ................................................................................................................................................. 3 Test Facility Information ............................................................................................................................................ 4 Software Versions ...................................................................................................................................................... 4 Site Registration & Accreditation Information .......................................................................................................... 4 Summary of Results ................................................................................................................................................... 5 Conditions During Testing.......................................................................................................................................... 5 Equipment Under Test ............................................................................................................................................... 6 Peripheral Devices ..................................................................................................................................................... 6 FCC Part 15 Subpart C .................................................................................................................................................... 7 15.247(a)(2) 6dB Occupied Bandwidth ...................................................................................................................... 7 15.247(b)(3) Maximum Output Power .................................................................................................................... 12 15.247(d) Radiated Spurious Emissions ................................................................................................................... 17 Bandedge Plots .................................................................................................................................................... 21 15.247(e) Power Spectral Density ........................................................................................................................... 24 Supplemental Information .......................................................................................................................................... 29 Measurement Uncertainty ...................................................................................................................................... 29 Emissions Test Details .............................................................................................................................................. 29 Page 3 of 30 Report No.: 95059-8 ADMINISTRATIVE INFORMATION Test Report Information REPORT PREPARED FOR: REPORT PREPARED BY: Medtronic MiniMed 18000 Devonshire Street Northridge, CA 91325-1219 Dianne Dudley CKC Laboratories, Inc. 5046 Sierra Pines Drive Mariposa, CA 95338 Representative: Bob Vitti Project Number: 95059 Customer Reference Number: 4500091677 DATE OF EQUIPMENT RECEIPT: October 25, 2013 DATE(S) OF TESTING: October 25-27, 2013 Report Authorization The test data contained in this report documents the observed testing parameters pertaining to and are relevant for only the sample equipment tested in the agreed upon operational mode(s) and configuration(s) as identified herein. Compliance assessment remains the client’s responsibility. This report may not be used to claim product endorsement by A2LA or any government agencies. This test report has been authorized for release under quality control from CKC Laboratories, Inc. Steve Behm Director of Quality Assurance & Engineering Services CKC Laboratories, Inc. Page 4 of 30 Report No.: 95059-8 Test Facility Information Our laboratories are configured to effectively test a wide variety of product types. CKC utilizes first class test equipment, anechoic chambers, data acquisition and information services to create accurate, repeatable and affordable test results. TEST LOCATION(S): CKC Laboratories, Inc. 22116 23rd Drive S.E., Suite A Bothell, WA 98021-4413 Software Versions CKC Laboratories Proprietary Software Version EMITest Emissions 5.00.14 Immunity 5.00.07 Site Registration & Accreditation Information Location CB # TAIWAN CANADA FCC JAPAN Bothell US0081 SL2-IN-E-1145R 3082C-1 318736 A-0148 Page 5 of 30 Report No.: 95059-8 SUMMARY OF RESULTS Standard / Specification: FCC Part 15 Subpart C 15.247 Description Test Procedure/Method Results -6dB Occupied Bandwidth FCC Part 15 Subpart C Section 15.247(a)(2) / FHSS – DA00-705 DTS – KDB 558074 ANSI C63.4 Pass Maximum Power …

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file:///C|/...20CS/Medtronic%20Minimed/93243%20(MMT-7763)/-20-FCC%20Exhibits/Test%20Report/Test%20report%20supplement.txt[2/16/2015 12:59:37 PM] The power output listed on page 12 of report 95059-8, the last column was incorrectly titled. The power reported is conducted output power.

Overall Test Setup X Axis