IPH-04378Portable Transceiver

Rev 1/26/2023 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 04-21-2025 Ref: Attestation Statements Part 2.911(d)(7) Filing FCC ID: IPH-04378 Garmin International, Inc., Garmin certifies that, as of the date of t he filing of the application, Garmin International, Inc. is our designated U.S. agent for service of process for t he above referenced FCC ID. Garmin International, Inc., accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or t he conclusion of any Commission-related proceeding involving the equipment. Garmin International, Inc. accepts, as of the date of t he filing of the application, the obligation of the designated U.S. agent for service of process for t he above referenced FCC ID. Designated U.S. Agent Information: FRN: 0005088588 Name: Garmin International, Inc. Address: 1200 East 151 st Street, O lathe, Kansas, 66062 Contact Person: Ben Karsak Tel.: 913-440-1946 Email: [email protected] Sincerely, Ben Karsak Manager Compliance Engineering

Rev 1/27/2025 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: January 27, 2025 Ref: Attestation Statements Part 2.911(d)(5) FCC ID: IPH-04378 FRN: 0005088588 Garmin International, Inc., (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited fr om receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Garmin International, 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 a specifically named entity or any of its subsidiaries or affiliates) as a n entit y producing “covered” equipment. Garmin International, Inc., (“the applicant”) certifies that, the device does not have cybersecurity and/or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, identified on the Covered List installed on the device, nor will it be installed by the applicant after certification. Sincerely, Ben Karsak Manager Compliance Engineering Garmin International, Inc.

March 27, 2025 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Innovation, Science and Economic Development Canada Certification and Engineering Bureau 3701 Carling Avenue PO Box 11490, Station H Ottawa, Ontario, Canada K2H 8S2 To Whom It May Concern: Pursuant to 47 CFR 2.911, Garmin International, Inc. (Garmin) has authorized the following Garmin International Associates to act on Garmin's behalf for the sole and express purpose of processing applications to the Federal Communication Commission (FCC) and Innovation, Science and Economic Development Canada (ISED) for equipment authorization or certification. Mr. Niklas Haydon, Compliance Engineering Team Lead Mr. Mitchell Phillipi, Compliance Engineering Team Lead Mr. William Pertner, Compliance Engineering Team Lead Mr. Jay Everett, Compliance Engineering Team Lead Mr. Richard Kockelkoren, Compliance Engineer Mr. Mike Moranha, Compliance Engineer Ms. Pam Sequeira, Compliance Engineer Mr. Jeffrey Hailey, Compliance Engineer Mr. Dan Irish, Compliance Engineer Mr. Jonathan Shafer, Design Certification Engineer Ms. Sara Jones, Design Certification Engineer Mr. Jacky Yeung, Compliance Engineer Mr. Hayden Pernia, Compliance Engineer Mr. Jeremiah Darden, Compliance Engineer Mr. Henry Lin, Compliance Engineer Ms. Claire Fryman, Compliance Engineer Mr. Rick Jankovics, Compliance Engineer Mr. Brodie Halbfoster, Compliance Engineer Mr. Tim Olson, Compliance Engineer As such, the Garmin Associates listed above are authorized to: 1) sign Form 731, 2) sign letters of application, 3) request confidentiality, and 4) exchange data and information with the FCC, IC and/or authorized TCBs on behalf of Garmin. In addition, these individuals shall be considered "authorized individuals" to act on Garmin's behalf where an "authorized individual's" attestation is necessary or preferred. This authorization remains in effect until notified to the contrary by Garmin. Sincerely, Ben Karsak Manager Compliance Engineering Garmin International, Inc.

May 1st, 2025 Federal Communications Commission Equip Approval Services Post Office Box 358315 Pittsburgh, Pennsylvania 1 5215-5315 To Whom It May Concern: Pursuant to 47 CFR 2.911, Garmin International, Inc. has authorized Fox Lane, and Karthik Vepuri of the Nebraska Center for Excellence in Electronics (NCEE Labs), at 4740 Discovery Drive, Lincoln, NE 68521 to act on Garmin International, Inc. behalf for the sole and express purpose of processing applications to the Federal Communication Commission (FCC) for equipment FCC authorization. This authorization is limited to FCC ID: IPH-04378. Consistent with the foregoing, Fox Lane, and Karthik Vepuri are authorized to the following: 1)Sign Form 731 2)Sign letters of application 3)Request confidentiality 4)Exchange data and information with the FCC, and authorized TCBs on behalf of Garmin International, Inc.. This authorization is not assignable to others beyond Fox Lane, and Karthik Vepuri. No party to this application is subject to a denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C 862. We also declare that the information provided to the FCC is true and correct to the best of our knowledge (47 CFR 2.911(d)) and we have been informed of the grantee responsibilities (47 CFR 2.909) with regard to certified equipment. This authorization expires May 1st, 2026 Sincerely, Brodie Halbfoster Compliance Engineer nothing follows

Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Date: April 21, 2025 SUBJECT: FCC Application for FCC ID: IPH-04378 To Whom It May Concern: Garmin International, Inc. will continue to apply processes and procedures to ensure compliance with 47 CFR 2 requirements regarding products produced under Supplier’s Declaration of Conformity procedure for class B computer peripheral portion as applicable to this composite filing. Sincerely, Ben Karsak Manager Compliance Engineering Garmin International, Inc.

REQUEST FOR CONFIDENTIALITY Date: 2 May 2025 Applicant: Garmin International Subject: Confidentiality Request for FCC ID: IPH-04378 IC: 1792A-04378 Pursuant to FCC 47 CFR 0.457(d) and 0.459, and IC RSP-100 Section 12.4, we request that a part of the FCC and ISED application be held confidential. Type Of Confidentiality Requested Exhibit ☐ Short Term ☒ Permanent ☐ Not Provided Block Diagrams ☐ Short Term ☒ Permanent ☐ Not Provided Schematics ☐ Short Term ☒ Permanent ☐Not Provided Operational Description/ Theory of Operation ☐ Short Term ☐ Permanent ☒ Not Provided Parts List & Placement/BOM ☐ Short Term ☒ Permanent ☐Not Provided Tune-Up Procedure ☒ Short Term ☐ Permanent ☐ Not Provided Test Setup Photos ☒ Short Term ☐ Permanent ☐ Not Provided User’s Manual(s) ☒ Short Term ☐ Permanent ☐ Not Provided External Photos ☒ Short Term ☐ Permanent ☐ Not Provided Internal Photos Garmin International has spent a substantial effort in developing this product and it is one of the first of its kind in the industry. Having the subject information easily available to "competition" would negate the advantage we have achieved by developing this product. Not protecting the details of the design will result in financial hardship. Permanent Confidentiality: Garmin requests the exhibits listed above as permanently confidential be permanently withheld from public review due to materials that contain trade secrets and proprietary information not customarily released to the public. Short-Term Confidentiality (if applicable): The applicant requests the exhibits selected above as short term confidential be withheld from public view for a period of 180 days from the date of the Grant of Equipment Authorization and prior to marketing. This is to avoid premature release of sensitive information prior to marketing or release of the product to the public. Sincerely, Brodie Halbfoster Compliance Engineer

Label and E-Label Description 1.The following specific instructions are provided in the user's manual that is provided with the device: a) Label viewing directions are found in the user manual, which is available at www.garmin.com b)To get the owner's manual, go www.garmin.com/manuals Getting the Owner's Manual The owner's manual includes instructions for using device features and accessing regulatory information. Go to garmin.com/manuals. 2.The following specific instructions are provided in the owner's manual that is provided at www.garmin.com/manuals: Viewing E-label Regulatory and Compliance Information The label for this device is provided electronically. The e-label may provide regulatory information, such as identification numbers provided by the FCC or regional compliance markings, as well as applicable product and licensing information. 1 Settings 2 System 3 A bout 3.Scroll the "about" page to display the following information. M/N: A04378 FCC ID: IPH-04378 IC : 1792A-04378 This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference. and (2) this device must accept any interference received, including interference that may cause undesired operation. 4.The above information is programmed by Garmin in such a manner that third-parties cannot modify it. a)“No special accessories or supplemental plug-ins (e.g., installation of a SIM/USIM card) are required to access the information. Access to the information is provided without special codes, accessories, or permissions beyond the normal security protection to unlock the screen, sign-in page, or overall product access.” 5.The above M/N, FCC ID, and IC numbers can be found printed on the product packaging. Label printed on the product Label Printed Here Product Front Side view Product Top from side view Product Rear from side view Product Bottom from side view

FCC ID: IPH-04378 IC: 1792A-04378 SAR-001: SAR Test Report RevA Test Report S/N: 2025.018.01 Page C1 of C1 Appendix C: System Check Plots RF SAFETY LABORATORY System Verification Verification Conditions Verification Source Power [dBm] Phantom Section Test Distance [mm] Signal, UID Frequency [MHz] ConvF (x, y, z) D2450V2 - SN1112 17.0 Flat 10 CW, 0 2450.000 7.02, 6.86,7.36 Test Setup Test Date Ambient Temp [°C] TSL Temp [°C] Measurement SW Phantom TSL Type Cond. [S/m] Perm. Probe, Cal. Date DAE, Cal. Date 2025-05-12 22.5 22.3 16.4.0.5005 Twin-SAM V8.0 - 2165 Head Simulating Liquid 1.79 37.3 EX3DV4 - SN7836, 2024-09-12 DAE4ip Sn1839, 2024-09-04 Scans Setup Area Scan Zoom Scan Grid Extents [mm] 40.0 x 80.0 30.0 x 30.0 x 31.2 Grid Steps [mm] 10.0 x 10.0 5.0 x 5.0 x 1.5 Sensor Surface [mm] 3.0 1.4 Grading Ratio N/A 1.5 Measurement Results SAR [W/kg] or APD [W/m²] Deviation [%] psSAR1g 2.49 -1.81 psSAR10g 1.17 -1.5 Peak SAR (Extrapolated) 4.96 -5.02

FCC ID: IPH-04378 IC: 1792A-04378 SAR-001: SAR Test Report RevA Test Report S/N: 2025.018.01 Page B1 of B3 Appendix B: Tissue Stimulating Liquids, System Checks and System Validation B.1. SAR System Check Prior to SAR assessment, the system is verified to ±10% of the SAR measurement on the reference dipole at the time of calibration by the calibration facility. SAR System Validation was performed and complies with requirements per IEC/IEEE 62209-1528. Table 1 System Check Results (SAR) B.2. Dielectric Parameters of the TSL Table 2 SAR Tissue Dielectric Parameters The above measured tissue parameters were used in the DASY software. The DASY software was used to perform interpolation to determine the dielectric parameters at the SAR test device frequencies (per KDB Publication 865664 D01v01r04 and IEEE 1528-2013 6.6.1.2). The tissue parameters listed in the SAR test plots may slightly differ from the table above due to significant digit rounding in the software. The SAR values were compensated for deviations between the measured and required tissue dielectric properties, as described in IEC/IEEE 62209-1528. The SAR values were applied to only scale up the measured SAR values, and not downward, per KDB Publication 865664 D01v04r04. System Frequency (MHz) Tissue Type Date Amb. Temp. (°C) Tissue Temp (°C) Input Power (dBm) Verification Source SN Probe SN DAE SN Measured 1g SAR (W/Kg) 1W Target 1g SAR (W/Kg) 1W Normalized 1g SAR (W/Kg) 1g SAR Deviation Measured 10g SAR (W/Kg) 1W Target 10g SAR (W/Kg) 1W Normalized 10g SAR (W/Kg) 10g SAR Deviation Gamma2450Head05/12/202522.522.3171112783618392.49050.60049.682-1.81%1.17023.70023.345-1.50% Date Tissue Type Liquid Temp (°C)Frequency (MHz) Conductivity Measured (σ) Conductivity Target (σ) Deviation Permittivity measured (εr) Permittivity Target (εr) Deviation 5/12/2025Head22.324001.751.76-0.23%37.439.3-4.83% 5/12/2025Head22.324501.791.80-0.65%37.339.2-4.81% 5/12/2025Head22.324801.811.83-1.13%37.339.2-4.87% 5/12/2025Head22.325001.831.85-1.45%37.239.1-4.89% FCC ID: IPH-04378 IC: 1792A-04378 SAR-001: SAR Test Report RevA Test Report S/N: 2025.018.01 Page B2 of B3 B.3. FCC System Validation Per FCC KDB Publication 865664 D02 Section 2.3 a) states “SAR system validation status and system verification results should be documented in a separate section of the SAR report, or as an attachment, to confirm measurement accuracy.” The SAR systems used for evaluating this device were validated against its performance specifications prior to the SAR measurements. Reference dipoles were used with the required tissue-equivalent media for system validation, according to the procedures outlined in FCC KDB Publication 865664 D01 and IEEE 1528-2013. Since SAR probe calibrations are frequency dependent, each probe calibration point was validated at a frequency within the valid frequency range of the probe calibration point. Per FCC KDB 865664 D02, “the validation status should be documented according to the validation date(s), measurement frequencies, SAR probes, calibrated signal type(s) and tissue dielectric parameters.” A tabulated summary of the system validation status is provided accordingly: Table 3 System Validation NOTE: The probes have been calibrated for both CW and modulated signals. Modulations in the table above represent test configurations for which the measurement system has been validated per FCC KDB Publication 865664 D01 for scenarios when CW probe calibrations are used with other signal types. SAR systems were additionally validated for modulated signals with a periodic duty cycle or with a high PAR (peak to average ratio) >5 dB, such as OFDM according to FCC KDB Publication 865664 D01 v01r04. Freq (MHz) Tissue Type Sensitivity Probe Linearity Probe Isotropy Mod Type Duty Factor PAR Gamma 245011/21/2024783618392450Head1.82438.955PASSPASSPASSOFDMN/APASS Cond. ( σ ) Perm ( ε r) CW ValidationMod Validation System Frequency (MHz) Date ProbeDAE Probe CalF FCC ID: IPH-04378 IC: 1792A-04378 SAR-001: SAR Test Report RevA Test Report S/N: 2025.018.01 Page B3 of B3 B.4. Sample TSL Compositions TSL recipes are proprietary to SPEAG. Since the composition is approximate to the actual liquids utilized, the manufacturer data sheets are provided below. Figure 1 - Head TSL Calibration Certificate Example

FCC ID: IPH-04378 IC: 1792A-04378 SAR-001: SAR Test Report RevA Test Report S/N: 2025.018.01 Page A1 of A2 Appendix A: SAR Test Plots RF SAFETY LABORATORY DUT: A04378; SN: 00338 Test Conditions Exposure Condition Position, Test Distance [mm] Band Signal, UID Ant. Channel Number Frequency [MHz] ConvF (x,y,z) Face Flat, FRONT, 0.00 2.4 GHz WIFI IEEE 802.11b WiFi 2.4 GHz (DSSS, 1 Mbps), 10012 2.4 GHz Antenna Ch. 6 2437.000 7.02, 6.86,7.36 Test Setup Test Date Ambient Temp [°C] TSL Temp [°C] Measurement SW Phantom Type Cond. [S/m] TSL Perm. Probe, Cal. Date DAE, Cal. Date 2025-05-12 22.5 22.3 16.4.0.5005 Twin-SAM V8.0 - 2165 Head Simulating Liquid 1.78 37.3 EX3DV4 - SN7836, 2024-09-12 DAE4ip Sn1839, 2024-09-04 Scans Setup Area Scan Zoom Scan Grid Extents [mm] 100.0 x 120.0 35.0 x 30.0 x 31.2 Grid Steps [mm] 10.0 x 10.0 5.0 x 5.0 x 1.5 Sensor Surface [mm] 3.0 1.4 Grading Ratio N/A 1.5 MAIA Y Y Measurement Results psSAR1g [W/Kg] 0.005 Power Drift [dB] -0.06 Peak SAR (Extrapolated) [W/kg] 0.013 M2/M1 [%] 70.3 Dist 3dB Peak [mm] 5.0 FCC ID: IPH-04378 IC: 1792A-04378 SAR-001: SAR Test Report RevA Test Report S/N: 2025.018.01 Page A2 of A2 RF SAFETY LABORATORY DUT: A04378; SN: 00338 Test Conditions Exposure Condition Position, Test Distance [mm] Band Signal, UID Ant. Channel Number Frequency [MHz] ConvF (x,y,z) Body/Extremity Flat, EDGE TOP, 0.00 2.4 GHz WIFI IEEE 802.11b WiFi 2.4 GHz (DSSS, 1 Mbps), 10012 2.4 GHz Antenna Ch. 11 2462.000 7.02, 6.86,7.36 Test Setup Test Date Ambient Temp [°C] TSL Temp [°C] Measurement SW Phantom Type Cond. [S/m] TSL Perm. Probe, Cal. Date DAE, Cal. Date 2025-05-12 22.5 22.3 16.4.0.5005 Twin-SAM V8.0 - 2165 Head Simulating Liquid 1.80 37.3 EX3DV4 - SN7836, 2024-09-12 DAE4ip Sn1839, 2024-09-04 Scans Setup Area Scan Zoom Scan Grid Extents [mm] 100.0 x 160.0 30.0 x 30.0 x 31.2 Grid Steps [mm] 10.0 x 10.0 5.0 x 5.0 x 1.5 Sensor Surface [mm] 3.0 1.4 Grading Ratio N/A 1.5 MAIA Y Y Measurement Results psSAR1g [W/Kg] 0.425 psSAR10g [W/Kg] 0.195 Power Drift [dB] 0.08 Peak SAR (Extrapolated) [W/kg] 0.959 M2/M1 [%] 75.3 Dist 3dB Peak [mm] 9.0

RF Safety Laboratory, LLC 5520 Research Park Drive, Suite 140 Catonsville, Maryland 21228 USA Lab Code: 32002 ANAB 17025 Certificate Number: AT-3274 +1 202 240 9240 [email protected] FCC ID: IPH-04378 IC: 1792A-04378 SAR-001: SAR Report RevA Test Report S/N: 2025.018.01 Rev1 Page 1 of 16 SAR EVALUATION REPORT FCC ID: IPH-04378 IC: 1792A-04378 HVIN/Model(s): A04378 Device Type: Portable Digital Transceiver Report Issue Date: June 10, 2025 Garmin International, Inc. 1200 E. 151 st Street, Olathe, KS 66062, United States Certification Band / Mode Face SAR [W/kg] Body SAR [W/kg] Extremity SAR [W/Kg] 2.4 GHz WLAN < 0.10 0.58 0.27 2.4 GHz Bluetooth LE N/A N/A N/A FCC/ISED Limit 1.6 1.6 4.0 The measurement evaluations presented in this report are based on the maximum performance of the tested device(s), which has been shown to be capable of compliance for localized specific absorption rate (SAR) for uncontrolled environment / general population exposure federal limits in 47CFR § 1.1310 and Health Canada Safety Code 6 and has been tested in accordance with the measurement procedures specified within this report. This document must be reproduced in its entirety without any alterations unless with written permission from RF Safety Laboratory, LLC. This document has been revised and replaces all previously issued versions of this document with the same Test Report S/N. Steve Liu President FCC ID: IPH-04378 IC: 1792A-04378 SAR-001: SAR Test Report RevA Test Report S/N: 2025.018.01 Rev1 Page 2 of 16 Table of Contents 1. DUT Specifics ................................................................................................................................................. 3 2. Bluetooth LE SAR Test Exemption Assessment ............................................................................................. 5 3. DUT Conducted Powers ................................................................................................................................ 6 4. DUT SAR Test Results .................................................................................................................................... 7 5. DUT SAR Measurement Variability Requirement .......................................................................................... 8 6. General Introduction..................................................................................................................................... 8 7. Background on Radiofrequency (RF) Exposure Limits ................................................................................... 9 8. RF Safety Laboratory SAR Measurement System ........................................................................................ 10 9. Technology Specific Test Setup Requirements ............................................................................................ 13 10. Equipment List ............................................................................................................................................ 15 11. Conclusion................................................................................................................................................... 16 Appendix A: SAR Test Plots Appendix B: Tissue Stimulating Liquids, System Checks and System Validation Appendix C: System Check Plots Appendix D: Calibration Certificates Appendix E : DUT Antenna Diagram and Test Setup Photos FCC ID: IPH-04378 IC: 1792A-04378 SAR-001: SAR Test Report RevA Test Report S/N: 2025.018.01 Rev1 Page 3 of 16 1. DUT Specifics 1.1. Device under Test The device under test is a wireless short-range device, incorporating the technologies listed in Table 1-1 below. The manufacturer has confirmed that the device is within operational tolerances expected for production units and has the same physical, mechanical, and thermal characteristics expected for production units. The serial number of the device used for each test is indicated alongside the results. 1.2. Device Overview Table 1-1 Supported Technologies 1.3. Maximum Time-Averaged Power From Manufacturer The manufacturer has confirmed that this device follows the below target output power specifications and tolerances. SAR values were scaled to the maximum allowed power (including tolerance) to determine compliance per KDB Publication 447498 D04v01. Table 1-2 2.4 GHz WIFI Target RF Output Power Band/ModeFrequency (MHz) 2.4 GHz WIFI2412 - 2462 MHz 2.4 GHz Bluetooth LE2402 - 2480 MHz 2.4 GHz WIFI Target Power [dBm] Mode 802.11b802.11g802.11n Channel2.4 GHz Antenna2.4 GHz Antenna2.4 GHz Antenna 1-1016.51414 1116.51311 Tolerance: +/- 2 dB Power LevelChannel Bandwidth [MHz] Max22 (802.11b) / 20 (802.11g/n) FCC ID: IPH-04378 IC: 1792A-04378 SAR-001: SAR Test Report RevA Test Report S/N: 2025.018.01 Rev1 Page 4 of 16 Table 1-3 2.4 GHz Bluetooth LE Target RF Output Power 1.4. Surfaces Required for Testing Note: Particular DUT edges were not required to be evaluated if the edges were greater than 2.5 cm from the transmitting antenna according to FCC KDB Publication 941225 D06v02r01 Section III. The distances between the transmit antennas and the edges of the device are included in the filing. Additional DUT edges were evaluated per manufacturer's request. 1.5. Test Guidance Applied • IEEE 1528-2013 (FCC) • IEC/IEEE 62209-1528:2020 (ISED) • RSS-102 Issue 6 (ISED) • RSS-102.SAR.MEAS (ISED) • Health Canada Safety Code 6 (ISED) • FCC KDB Publication 248227 D01v02r02 (SAR Considerations for 802.11 Devices) (FCC/ISED) • FCC KDB Publication 447498 D04v01 (General SAR Guidance) (FCC/ISED) • FCC KDB Publication 865664 D01v01r04, D02v01r02 (SAR Measurements up to 6 GHz) (FCC) 2.4 GHz Bluetooth LE Target Power [dBm] Power LevelMode Data Rate 2.4 GHz Antenna BLE1 Mbps-2.0 BLE2 Mbps-2.5 Tolerance: +/- 2 dB Max Antenna BackFrontTopBottomRightLeft 2.4 GHz AntennaNoYesYesNoYesYes FCC ID: IPH-04378 IC: 1792A-04378 SAR-001: SAR Test Report RevA Test Report S/N: 2025.018.01 Rev1 Page 5 of 16 2. Bluetoo…

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The Nebraska Center for Excellence in Electronics (NCEE) authorizes the above named company to reproduce this report provided it is reproduced in its entirety for use by the company’s employees only. Any use that a third party makes of this report, or any reliance on or decisions made based on it, are the responsibility of such third parties. NCEE accepts no responsibility for damages, if any, suffered by any third party as a result of decisions made or actions based on this report. This report applies only to the items tested. FCC/ISED Test Report Prepared for: Garmin International, Inc. Address: 1200 E. 151 st Street Olathe, Kansas, 66062, USA Product: A04378 Test Report No: R230504-20-E2B Approved by: __________________ Fox Lane, EMC Test Engineer DATE: June 9, 2025 Total Pages: 49 A Report Number: R230504-20-E2B Rev B Prepared for: Garmin International, Inc. The Nebraska Center for Excellence in Electronics 4740 Discovery Drive Lincoln, NE 68521 Page 2 of 49 REVISION PAG E Rev. No. Date Description 0 7 August 2024 Issued by FLane Reviewed by KVepuri Prepared by FLane, ESchmidt A 30 August 2024 Added statement regarding Band edges – FL B 9 June 2025 Included statement in section 4.4 – FL A Report Number: R230504-20-E2B Rev B Prepared for: Garmin International, Inc. The Nebraska Center for Excellence in Electronics 4740 Discovery Drive Lincoln, NE 68521 Page 3 of 49 CONT ENT S Revision Page ............................................................................................................................................................................... 2 1.0 Summary of test results ....................................................................................................................................... 4 2.0 EUT Description .................................................................................................................................................... 5 2.1 Equipment under test ........................................................................................................................................ 5 2.2 Description of test modes ................................................................................................................................ 5 2.3 Description of support units ............................................................................................................................ 5 3.0 Laboratory and General Test Description ........................................................................................................ 6 3.1 Laboratory description ...................................................................................................................................... 6 3.2 Test personnel ..................................................................................................................................................... 6 3.3 Test equipment.................................................................................................................................................... 7 3.4 General Test Procedure and Setup for Radio Measuremnts ................................................................... 8 4.0 Results .................................................................................................................................................................. 10 4.1 Output Power ..................................................................................................................................................... 12 4.2 Bandwidth ........................................................................................................................................................... 13 4.3 Duty Cycle .......................................................................................................................................................... 14 4.4 Radiated emissions .......................................................................................................................................... 16 4.5 Conducted Spurious Emissions ................................................................................................................... 21 4.6 Band edges ........................................................................................................................................................ 24 4.7 Power Spectral Density ................................................................................................................................... 27 4.8 Conducted AC Mains Emissions .................................................................................................................. 28 Appendix A: Sample Calculation ........................................................................................................................................... 31 Appendix B – Measurement Uncertainty ...................................................................................................................... 32 Appendix C – Graphs and Tables .................................................................................................................................. 33 REPORT END ..................................................................................................................................................................... 49 A Report Number: R230504-20-E2B Rev B Prepared for: Garmin International, Inc. The Nebraska Center for Excellence in Electronics 4740 Discovery Drive Lincoln, NE 68521 Page 4 of 49 1.0 SU MMAR Y OF TEST R ESULT S The worst-case measurements were reported in this report. Summary of test results presented in this report correspond to the following section: The EUT has been tested according to the following specifications: (1) US Code of Federal Regulations, Title 47, Part 15 (2) ISED RSS-Gen, Issue 5 (3) ISED RSS-247, Issue 3 APPLIED STANDARDS AND REGULATIONS Standard Section Test Type Result FCC Part 15.35 RSS Gen, Issue…

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Test Report 2025-022 Version B Issued 11 Jun 2025 Project: GCL-0835 Model Identifier: A04378 Primary Test Standard(s): CFR 47, FCC Part 15.247 RSS-247 Issue 3 Garmin Compliance Lab Garmin International 1200 E 151 st Street Olathe Kansas 66062 USA Client-supplied Information FCC ID: IPH- 04378 IC ID: 1792A- 04378 See section 6 of this report regarding the presence or absence of accreditation logos or marks on this cover page. Page…

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