BCG-A3581Apple Watch

FCC ID: BCG-A3581 RF EXPOSURE REPORT Approved by: Technical Manager DUT Type: This report is Blockchain Verified. To verify the report authenticity, please visit https://www.blockchain-verified.com or by clicking on the Blockchain logo. APPENDIX D: Page 1 of 3 Watch A P P E N D I X D : S A R T I S S U E S P E C I F I C A T I O N S Measurement Procedure for Tissue verification: 1) The network analyzer and probe system were configured and calibrated. 2) The probe was immersed in the tissue. The tissue was placed in a nonmetallic container. Trapped air bubbles beneath the flange were minimized by placing the probe at a slight angle. 3) The complex admittance with respect to the probe aperture was measured. 4) The complex relative permittivity ε ’ can be calculated from the below equation (Pournaropoulos and Misra): where Y is the admittance of the probe in contact with the sample, the primed and unprimed coordinates refer to source and observation points, respectively, ,  is the angular frequency, and . Figure D-1 Note: Liquid recipes are proprietary SPEAG. Since the composition is approximate to the actual liquids utilized, the manufacturer tissue-equivalent liquid data sheets are provided below. ( )          −  = b a b a r r d d d r r j a b j Y            0 2 / 1 0 ' 0 2 0 ) ( exp cos ln 2        −  + = cos 2 2 2 2 r 1 − = j FCC ID: BCG-A3581 RF EXPOSURE REPORT Approved by: Technical Manager DUT Type: This report is Blockchain Verified. To verify the report authenticity, please visit https://www.blockchain-verified.com or by clicking on the Blockchain logo. APPENDIX D: Page 2 of 3 Watch Figure D-2 600 – 10000 MHz Head Tissue Equivalent Matter FCC ID: BCG-A3581 RF EXPOSURE REPORT Approved by: Technical Manager DUT Type: This report is Blockchain Verified. To verify the report authenticity, please visit https://www.blockchain-verified.com or by clicking on the Blockchain logo. APPENDIX D: Page 3 of 3 Watch Figure D-3 5– 250 MHz Head Tissue Equivalent Matter

FCC ID: BCG-A3581 IC: 579C-A3581 MEASUREMENT REPORT (CERTIFICATION) Test Dates: 6/1/2026 - 7/22/2026 EUT Type: Watch Approved by: Technical Manager Test Report S/N: This report is Blockchain Verified. To verify the report authenticity, please visit https://www.blockchain-verified.com or by clicking on the Blockchain logo. Page 47 of 67 1C2604100028-01.BCG V 12.0 03/03/2026 Unless otherwise specified, no part of this report may be reproduced or utilized in any part, form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from Element Materials Technology. If you have any questions about this or have an enquiry about obtaining additional rights to this report or assembly of contents thereof, please contact [email protected]. 7.8.1 Radiated Spurious Emission Measurements Plot 7-29. Radiated Spurious Emissions above 1GHz (802.11b – Ch. 1) Mode: 802.11b Data Rate: 11Mbps Distance of Measurements: 3 Meters Operating Frequency: 2412MHz Channel: 01 Table 7-8. Radiated Measurements 4824.00 Avg V - - -79.81 6.42 33.61 53.98 -20.37 4824.00 Peak V - - -67.67 6.42 45.75 73.98 -28.23 12060.00 Avg V - - -77.96 16.82 45.86 53.98 -8.12 12060.00 Peak V - - -67.11 16.77 56.66 73.98 -17.32 Frequency [MHz] Detector Ant. Pol. [H/V] Antenna Height [cm] Turntable Azimuth [degree] Analyzer Level [dBm] AFCL [dB/m] Field Strength [dBμV/m] Limit [dBμV/m] Margin [dB] FCC ID: BCG-A3581 IC: 579C-A3581 MEASUREMENT REPORT (CERTIFICATION) Test Dates: 6/1/2026 - 7/22/2026 EUT Type: Watch Approved by: Technical Manager Test Report S/N: This report is Blockchain Verified. To verify the report authenticity, please visit https://www.blockchain-verified.com or by clicking on the Blockchain logo. Page 48 of 67 1C2604100028-01.BCG V 12.0 03/03/2026 Unless otherwise specified, no part of this report may be reproduced or utilized in any part, form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from Element Materials Technology. If you have any questions about this or have an enquiry about obtaining additional rights to this report or assembly of contents thereof, please contact [email protected]. Plot 7-30. Radiated Spurious Emissions above 1GHz (802.11b – Ch. 6) Plot 7-31. Radiated Spurious Emissions above 18GHz (802.11b – Ch. 6) Mode: 802.11b Data Rate: 11Mbps Distance of Measurements: 3 Meters Operating Frequency: 2437MHz Channel: 06 Table 7-9. Radiated Measurements 4874.00 Avg V - - -79.98 6.65 0.00 33.67 53.98 -20.31 4874.00 Peak V - - -68.45 6.68 0.00 45.23 73.98 -28.75 7311.00 Avg H 243 221 -76.99 9.26 0.00 39.27 53.98 -14.71 7311.00 Peak H 243 221 -67.65 9.26 0.00 48.61 73.98 -25.37 12185.00 Avg V - - -78.28 16.29 0.00 45.01 53.98 -8.97 12185.00 Peak V - - -67.24 16.29 0.00 56.05 73.98 -17.93 19496.00 Avg H - - -65.38 -6.09 -9.54 25.99 53.98 -27.99 19496.00 Peak H - - -58.63 -5.98 -9.54 32.85 73.98 -41.13 Analyzer Level [dBm] AFCL [dB/m] Distance Correction Factor [dB] Field Strength [dBμV/m] Frequency [MHz] Detector Ant. Pol. [H/V] Antenna Height [cm] Turntable Azimuth [degree] Limit [dBμV/m] Margin [dB] FCC ID: BCG-A3581 IC: 579C-A3581 MEASUREMENT REPORT (CERTIFICATION) Test Dates: 6/1/2026 - 7/22/2026 EUT Type: Watch Approved by: Technical Manager Test Report S/N: This report is Blockchain Verified. To verify the report authenticity, please visit https://www.blockchain-verified.com or by clicking on the Blockchain logo. Page 49 of 67 1C2604100028-01.BCG V 12.0 03/03/2026 Unless otherwise specified, no part of this report may be reproduced or utilized in any part, form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from Element Materials Technology. If you have any questions about this or have an enquiry about obtaining additional rights to this report or assembly of contents thereof, please contact [email protected]. Plot 7-32. Radiated Spurious Emissions above 1GHz (802.11b – Ch. 11) Mode: 802.11b Data Rate: 11Mbps Distance of Measurements: 3 Meters Operating Frequency: 2462MHz Channel: 11 Table 7-10. Radiated Measurements 4924.00 Avg H - - -79.87 6.63 33.76 53.98 -20.22 4924.00 Peak H - - -68.61 6.77 45.16 73.98 -28.82 7386.00 Avg H 246 218 -78.24 9.17 37.93 53.98 -16.05 7386.00 Peak H 246 218 -68.40 9.17 47.77 73.98 -26.21 12310.00 Avg V - - -78.59 17.00 45.41 53.98 -8.57 12310.00 Peak V - - -67.19 17.00 56.81 73.98 -17.17 Frequency [MHz] Detector Ant. Pol. [H/V] Antenna Height [cm] Turntable Azimuth [degree] Analyzer Level [dBm] AFCL [dB/m] Field Strength [dBμV/m] Limit [dBμV/m] Margin [dB] FCC ID: BCG-A3581 IC: 579C-A3581 MEASUREMENT REPORT (CERTIFICATION) Test Dates: 6/1/2026 - 7/22/2026 EUT Type: Watch Approved by: Technical Manager Test Report S/N: This report is Blockchain Verified. To verify the report authenticity, please visit https://www.blockchain-verified.com or by clicking on the Blockchain logo. Page 50 of 67 1C2604100028-01.BCG V 12.0 03/03/2026 Unless otherwise specified, no part of this report may be reproduced or utilized in any part, form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from Element Materials Technology. If you have any questions about this or have an enquiry about obtaining additional rights to this report or assembly of contents thereof, please contact [email protected]. 7.8.2 Radiated Restricted Band Edge Measurements Mode 802.11b Data Rate 1Mbps Distance of Measurement 3 Meters Operating Frequency 2412MHz Channel 1 Plot 7-33 Radiated Restricted Lower Band Edge Measurement Mode 802.11b Data Rate 1Mbps Distance of Measurement 3 Meters Operating Frequency 2462MHz Channel 11 Plot 7-34 Radiated Restricted Upper Band Edge Measurement FCC ID: BCG-A3581 IC: 579C-A3581 MEASUREMENT REPORT (CERTIFICATION) Test Dates: 6/1/2026 - 7/22/2026 EUT Type: Watch Approved by: Technical Manager Test Report S/N: This report is Blockchain Verified.…

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FCC ID: BCG-A3581 IC: 579C-A3581 MEASUREMENT REPORT (CERTIFICATION) Test Dates: 6/1/2026 - 7/22/2026 EUT Type: Watch Approved by: Technical Manager Test Report S/N: This report is Blockchain Verified. To verify the report authenticity, please visit https://www.blockchain-verified.com or by clicking on the Blockchain logo. Page 1 of 67 1C2604100028-01.BCG V 12.0 03/03/2026 Unless otherwise specified, no part of this report may be reproduced or utilized in any part, form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from Element Materials Technology. If you have any questions about this or have an enquiry about obtaining additional rights to this report or assembly of contents thereof, please contact [email protected]. Applicant Name: Apple Inc. One Apple Park Way Cupertino, CA 95014 United States Date of Testing: 6/1/2026 - 7/22/2026 Test Report Issue Date: 8/12/2026 Test Site/Location: Element Materials Technology, Morgan Hill, CA, USA Test Report Serial No.: 1C2604100028-01.BCG FCC ID: BCG-A3581 IC: 579C-A3581 APPLICANT: Apple Inc. Application Type: Certification Model/HVIN: A3581, A3583 EUT Type: Watch Frequency Range: 2412 – 2472MHz Modulation Type OFDM FCC Classification: Digital Transmission System (DTS) FCC Rule Part(s): Part 15 Subpart C (15.247) ISED Specification: RSS-247 Issue 4 Test Procedure(s): ANSI C63.10-2020+Cor. 1-2023+C63.10a-2024 + Errata to C63.10a- 2024, KDB 558074 D01 v05r02 This equipment has been shown to be capable of compliance with the applicable technical standards as indicated in the measurement report and was tested in accordance with the measurement procedures specified in ANSI C63.10-2020+COR. 1-2023+C63.10A-2024 + ERRATA TO C63.10A-2024 and KDB 558074 D01 v05r02. Test results reported herein relate only to the item(s) tested. I attest to the accuracy of data. All measurements reported herein were performed by me or were made under my supervision and are correct to the best of my knowledge and belief. I assume full responsibility for the completeness of these measurements and vouch for the qualifications of all persons taking them. ELEMENT MATERIALS TECHNOLOGY (formerly PCTEST) 18855 Adams Court, Morgan Hill, CA 95037 USA Tel. 408.538.5600 http://www.element.com MEASUREMENT REPORT FCC PART 15.247 / ISED RSS-247 WLAN 802.11b/g/n (OFDM) FCC ID: BCG-A3581 IC: 579C-A3581 MEASUREMENT REPORT (CERTIFICATION) Test Dates: 6/1/2026 - 7/22/2026 EUT Type: Watch Approved by: Technical Manager Test Report S/N: This report is Blockchain Verified. To verify the report authenticity, please visit https://www.blockchain-verified.com or by clicking on the Blockchain logo. Page 2 of 67 1C2604100028-01.BCG V 12.0 03/03/2026 Unless otherwise specified, no part of this report may be reproduced or utilized in any part, form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from Element Materials Technology. If you have any questions about this or have an enquiry about obtaining additional rights to this report or assembly of contents thereof, please contact [email protected]. Revision Summary Revision Date Comments Revised By - 07/27/2026 Initial Release WKR0000005913 FCC ID: BCG-A3581 IC: 579C-A3581 MEASUREMENT REPORT (CERTIFICATION) Test Dates: 6/1/2026 - 7/22/2026 EUT Type: Watch Approved by: Technical Manager Test Report S/N: This report is Blockchain Verified. To verify the report authenticity, please visit https://www.blockchain-verified.com or by clicking on the Blockchain logo. Page 3 of 67 1C2604100028-01.BCG V 12.0 03/03/2026 Unless otherwise specified, no part of this report may be reproduced or utilized in any part, form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from Element Materials Technology. If you have any questions about this or have an enquiry about obtaining additional rights to this report or assembly of contents thereof, please contact [email protected]. T A B L E O F C O N T E N T S 1.0 INTRODUCTION .............................................................................................................................................. 5 1.1 Scope ................................................................................................................................................................... 5 1.2 Element Materials Technology Test Location ....................................................................................................... 5 1.3 Test Facility / Accreditations ................................................................................................................................. 5 2.0 PRODUCT INFORMATION ............................................................................................................................. 6 2.1 Equipment Description ......................................................................................................................................... 6 2.2 Device Capabilities ............................................................................................................................................... 6 2.3 Antenna Description ............................................................................................................................................. 8 2.4 Test Support Equipment ....................................................................................................................................... 8 2.5 Test Configuration ................................................................................................................................................ 9 2.6 Software and Firmware ........................................................................................................................................ 9 2.7 EMI Suppression Device(s)/Modifications ........................................................…

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FCC ID: BCG-A3581 IC: 579C-A3581 MEASUREMENT REPORT (CERTIFICATION) Test Dates: 6/1/2026 – 7/27/2026 EUT Type: Watch Approved by: Technical Manager Test Report S/N: This report is Blockchain Verified. To verify the report authenticity, please visit https://www.blockchain-verified.com or by clicking on the Blockchain logo. Page 1 of 53 1C2604100028-02.BCG V 11.0 05/2025 Unless otherwise specified, no part of this report may be reproduced or utilized in any part, form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from Element Materials Technology. If you have any questions about this or have an enquiry about obtaining additional rights to this report or assembly of contents thereof, please contact [email protected]. Applicant Name: Apple Inc. One Apple Park Way Cupertino, CA 95014 United States Date of Testing: 6/1/2026 – 7/27/2026 Test Report Issue Date: 8/3/2026 Test Site/Location: Element Materials Technology, Morgan Hill, CA, USA Test Report Serial No.: 1C2604100028-02.BCG FCC ID: BCG-A3581 IC: 579C-A3581 APPLICANT: Apple Inc. Application Type: Certification Model/HVIN: A3581, A3583 EUT Type: Watch Max. RF Output Power: 31.405 mW (14.97 dBm) Peak Conducted Frequency Range: 2404 – 2476 MHz FCC Classification: Digital Transmission System (DTS) FCC Rule Part(s): Part 15 Subpart C (15.247) ISED Specification: RSS-247 Issue 4 Test Procedure(s): ANSI C63.10-2020+Cor. 1-2023+C63.10a-2024 + Errata to C63.10a- 2024, KDB 558074 D01 v05r02 This equipment has been shown to be capable of compliance with the applicable technical standards as indicated in the measurement report and was tested in accordance with the measurement procedures specified in ANSI C63.10-2020+Cor. 1-2023+C63.10a-2024 + Errata to C63.10a-2024 and KDB 558074 D01 v05r02. Test results reported herein relate only to the item(s) tested. I attest to the accuracy of data. All measurements reported herein were performed by me or were made under my supervision and are correct to the best of my knowledge and belief. I assume full responsibility for the completeness of these measurements and vouch for the qualifications of all persons taking them. ELEMENT MATERIALS TECHNOLOGY (Formerly PCTEST) 18855 Adams Court, Morgan Hill, CA 95037 USA Tel. 408.538.5600 http://www.element.com MEASUREMENT REPORT FCC PART 15.247 / ISED RSS-247 Bluetooth (HDR) FCC ID: BCG-A3581 IC: 579C-A3581 MEASUREMENT REPORT (CERTIFICATION) Test Dates: 6/1/2026 – 7/27/2026 EUT Type: Watch Approved by: Technical Manager Test Report S/N: This report is Blockchain Verified. To verify the report authenticity, please visit https://www.blockchain-verified.com or by clicking on the Blockchain logo. Page 2 of 53 1C2604100028-02.BCG V 11.0 05/2025 Unless otherwise specified, no part of this report may be reproduced or utilized in any part, form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from Element Materials Technology. If you have any questions about this or have an enquiry about obtaining additional rights to this report or assembly of contents thereof, please contact [email protected]. Revision Summary Revision Date Comments Revised By - 7/27/2026 Initial Release WKR0000005913 FCC ID: BCG-A3581 IC: 579C-A3581 MEASUREMENT REPORT (CERTIFICATION) Test Dates: 6/1/2026 – 7/27/2026 EUT Type: Watch Approved by: Technical Manager Test Report S/N: This report is Blockchain Verified. To verify the report authenticity, please visit https://www.blockchain-verified.com or by clicking on the Blockchain logo. Page 3 of 53 1C2604100028-02.BCG V 11.0 05/2025 Unless otherwise specified, no part of this report may be reproduced or utilized in any part, form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from Element Materials Technology. If you have any questions about this or have an enquiry about obtaining additional rights to this report or assembly of contents thereof, please contact [email protected]. T A B L E O F C O N T E N T S 1.0 INTRODUCTION ...........................................................................................................................................4 1.1 Scope ............................................................................................................................................................... 4 1.2 Element Materials Technology Test Location ................................................................................................... 4 1.3 Test Facility / Accreditations ............................................................................................................................. 4 2.0 PRODUCT INFORMATION ...........................................................................................................................5 2.1 Equipment Description ..................................................................................................................................... 5 2.2 Device Capabilities ........................................................................................................................................... 5 2.3 Antenna Description ......................................................................................................................................... 8 2.4 Test Support Equipment ................................................................................................................................... 8 2.5 Test Configuration ............................................................................................................................................ 9 2.6 Software and Firmware .................................................................................................................................... 9 2.7 EMI Suppression Device(s)/Modifications ...............................................................................…

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FCC ID: BCG-A3581 IC: 579C-A3581 MEASUREMENT REPORT (CERTIFICATION) Test Dates: 6/1/2026 – 7/27/2026 EUT Type: Watch Approved by: Technical Manager Test Report S/N: This report is Blockchain Verified. To verify the report authenticity, please visit https://www.blockchain-verified.com or by clicking on the Blockchain logo. Page 1 of 53 1C2604100028-03.BCG V 12.0 03/03/2026 Unless otherwise specified, no part of this report may be reproduced or utilized in any part, form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from Element Materials Technology. If you have any questions about this or have an enquiry about obtaining additional rights to this report or assembly of contents thereof, please contact [email protected]. Applicant Name: Apple Inc. One Apple Park Way Cupertino, CA 95014 United States Date of Testing: 6/1/2026 – 7/27/2026 Test Report Issue Date: 8/3/2026 Test Site/Location: Element Materials Technolgy, Morgan Hill, CA, USA Test Report Serial No.: 1C2604100028-03.BCG FCC ID: BCG-A3581 IC: 579C-A3581 APPLICANT: Apple Inc. Application Type: Certification Model/HVIN: A3581, A3583 EUT Type: Watch Max. RF Output Power: 56.624 mW (17.53 dBm) Peak Conducted Frequency Range: 2402 – 2480 MHz FCC Classification: Digital Transmission System (DTS) FCC Rule Part(s): Part 15 Subpart C (15.247) ISED Specification: RSS-247 Issue 4 Test Procedure(s): ANSI C63.10-2020+Cor. 1-2023+C63.10a-2024 + Errata to C63.10a- 2024, KDB 558074 D01 v05r02 This equipment has been shown to be capable of compliance with the applicable technical standards as indicated in the measurement report and was tested in accordance with the measurement procedures specified in ANSI C63.10-2020+Cor. 1-2023+C63.10a-2024 + Errata to C63.10a-2024 and KDB 558074 D01 v05r02. Test results reported herein relate only to the item(s) tested. I attest to the accuracy of data. All measurements reported herein were performed by me or were made under my supervision and are correct to the best of my knowledge and belief. I assume full responsibility for the completeness of these measurements and vouch for the qualifications of all persons taking them. ELEMENT MATERIALS TECHNOLOGY (formerly PCTEST) 18855 Adams Court, Morgan Hill, CA 95037 USA Tel. 408.538.5600 http://www.element.com MEASUREMENT REPORT FCC PART 15.247 / ISED RSS-247 Bluetooth (Low Energy) FCC ID: BCG-A3581 IC: 579C-A3581 MEASUREMENT REPORT (CERTIFICATION) Test Dates: 6/1/2026 – 7/27/2026 EUT Type: Watch Approved by: Technical Manager Test Report S/N: This report is Blockchain Verified. To verify the report authenticity, please visit https://www.blockchain-verified.com or by clicking on the Blockchain logo. Page 2 of 53 1C2604100028-03.BCG V 12.0 03/03/2026 Unless otherwise specified, no part of this report may be reproduced or utilized in any part, form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from Element Materials Technology. If you have any questions about this or have an enquiry about obtaining additional rights to this report or assembly of contents thereof, please contact [email protected]. Revision Summary Revision Date Comments Revised By - 7/27/2026 Initial Release WKR017014 FCC ID: BCG-A3581 IC: 579C-A3581 MEASUREMENT REPORT (CERTIFICATION) Test Dates: 6/1/2026 – 7/27/2026 EUT Type: Watch Approved by: Technical Manager Test Report S/N: This report is Blockchain Verified. To verify the report authenticity, please visit https://www.blockchain-verified.com or by clicking on the Blockchain logo. Page 3 of 53 1C2604100028-03.BCG V 12.0 03/03/2026 Unless otherwise specified, no part of this report may be reproduced or utilized in any part, form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from Element Materials Technology. If you have any questions about this or have an enquiry about obtaining additional rights to this report or assembly of contents thereof, please contact [email protected]. T A B L E O F C O N T E N T S 1.0 INTRODUCTION ...........................................................................................................................................4 1.1 Scope ............................................................................................................................................................... 4 1.2 Element Materials Technology Test Location ................................................................................................... 4 1.3 Test Facility / Accreditations ............................................................................................................................. 4 2.0 PRODUCT INFORMATION ...........................................................................................................................5 2.1 Equipment Description ..................................................................................................................................... 5 2.2 Device Capabilities ........................................................................................................................................... 5 2.3 Antenna Description ......................................................................................................................................... 7 2.4 Test Support Equipment ................................................................................................................................... 7 2.5 Test Configuration ............................................................................................................................................ 8 2.6 Software and Firmware .................................................................................................................................... 8 2.7 EMI Suppression Device(s)/Modifications ....................................................................…

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FCC Part 15 Antenna Gain Test Report Apple Inc. Provided By: Rev SHEET Abhishek Rala Version 1.0 Page 1 of 6 FCC Part 15 Antenna Gain Test Report Test Dates: 5/25/26 – 6/10/26 FCC Part 15 Antenna Gain Test Report Apple Inc. Provided By: Rev SHEET Abhishek Rala Version 1.0 Page 2 of 6 Table of Contents 1. Scope .............................................................................................................................. 3 2. Reference Documents ...................................................................................................... 3 3. Test Personnel ................................................................................................................. 3 4. Test Equipment ............................................................................................................... 3 5. Commercial Test Software ............................................................................................... 3 6. Test Method .................................................................................................................... 4 7. Typical Test Setup ........................................................................................................... 5 8. Test results ...................................................................................................................... 6 9. Antenna Photos or Drawings ........................................................................................... 6 10. Antenna Description .................................................................................................... 6 11. Revision History ........................................................................................................... 6 FCC Part 15 Antenna Gain Test Report Apple Inc. Provided By: Rev SHEET Abhishek Rala Version 1.0 Page 3 of 6 1. Scope This test report demonstrates compliance with the antenna gain reporting requirements of FCC 2.1033(b)(7), 15.203, 15.212. 2. Reference Documents FCC 2.1033(b)(7), 15.203, 15.212 3. Test Personnel Test personnel are valued team members. Their expertise insures accurate test results. Their identities are considered confidential by Apple. 4. Test Equipment Test Equipment Critical Specifications Cal due date Antenna Measurement System Fully anechoic OTA chamber with dual- polarized measurement antenna, mechanical positioners of Theta and Phi axes, and RF path switching. Frequency Range. 8/10/26 Power Meter - R&S NRP Frequency Range, Power Input Range 8/10/26 5. Commercial Test Software The test equipment operates under the control of commercial test software. For OTA chambers sold by ETS Lindgren, EMQuest v1.14 is used. FCC Part 15 Antenna Gain Test Report Apple Inc. Provided By: Rev SHEET Abhishek Rala Version 1.0 Page 4 of 6 6. Test Method EIRP measurement is based on industry-standard method described in CTIA OTA Test Plan (current version 3.9.4). Peak gain (Horizontal and Vertical Polarization) is calculated by subtracting Conducted Power from the measured maximum EIRP. Testing is performed with Antenna integrated in the product Below is the measurement summary from the specification: FCC Part 15 Antenna Gain Test Report Apple Inc. Provided By: Rev SHEET Abhishek Rala Version 1.0 Page 5 of 6 7. Typical Test Setup The device containing the integral antenna is placed on the styrofoam pylon (inside the OTA chamber) as pictured below. EUT FCC Part 15 Antenna Gain Test Report Apple Inc. Provided By: Rev SHEET Abhishek Rala Version 1.0 Page 6 of 6 8. Test results See antenna gain exhibit 9. Antenna Photos or Drawings See internal photos exhibit 10. Antenna Description See technical description exhibit and antenna gain exhibit 11. Revision History Revision # Date Description of Change 1.0 July 29, 2026 Original END OF DOCUMENT

FCC ID: BCG-A3581 IC: 579C-A3581 MEASUREMENT REPORT (CERTIFICATION) Test Dates: 6/1/2026 - 7/22/2026 EUT Type: Watch Approved by: Technical Manager Test Report S/N…

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