JPZ0159Wireless Processor

Date: 6/5/2026 Federal Communications Commissions Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 RE: CFR 47 §2.911 (d)(5) Attestation FCC ID: JPZ0159 1. Lutron Electronic Co., 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. 2. Lutron Electronic Co., 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 anytime after certification. 3. Lutron Electronic Co., Inc. (“the applicant”) certifies that the RF device is not a router “produced in a foreign country“. 4. Lutron Electronic Co., 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 an entity producing “covered” equipment and is not an affiliate or subsidiary of an entity identified on the Covered List. Sincerely yours, Name: Daniel J Schlegel Job Title: Manager – Product Compliance Company Name: Lutron Electronic Co., Inc.

LUTRON ELECTRONICS CO., INC. 9 June 2026 Page 1 of 1 EUT Label and Location – JPZ0159 Label: FCC ID: JPZ0159 IC: 2851A-JPZ0159 HVIN: 86551 Approximate size 1 inch wide x 0.6 inch high Font Size: 8pt Material: Polyester, permanently affixed with adhesive Placement: FCC/IC information

HEADQUARTERS: 914 WEST PATAPSCO AVENUE • BALTIMORE, MARYLAND 21230 • PHONE (410) 354-3300 • FAX (410) 354-3313 Report: WIR140299-FCC-RF Exposure © 2026, Eurofins Electrical and Electronic Testing NA, Inc. Page 1 of 7 Maryland | California | Texas www.metlabs.com DOC-WIR TEMP-FCC22-24-27-90-7-12-2021 – Rev 1 - Approved by DOC Manager RF Exposure Report Report No.: EMC127472-RF Exposure FCC_ICES R4 Test Model: A-RF3 Test Date: July 28, 2026 Issued Date: July 28, 2026 Applicant: Lutron Electronics Address: 7200 Suter Rd Coopersburg, PA 18036 Issued By: Eurofins Electrical and Electronic Testing NA, Inc. Lab Address: 914 W. Patapsco Avenue, Baltimore, MD 21230 Certificates and reports shall not be reproduced except in full, without the written permission of Eurofins Electrical and Electronic Testing NA, Inc. While use of the A2LA logo in this report reflects Eurofins Electrical and Electronic Testing NA, Inc. accreditation under these programs, the report must not be used by the client to claim product certification, approval, or endorsement by A2LA, or any agency of the Federal Government. This letter of transmittal is not a part of the attached report. Eurofins Electrical and Electronic Testing NA, Inc. is part of the Eurofins Electrical & Electronics (E&E) global compliance network. HEADQUARTERS: 914 WEST PATAPSCO AVENUE • BALTIMORE, MARYLAND 21230 • PHONE (410) 354-3300 • FAX (410) 354-3313 Report: WIR140299-FCC-RF Exposure © 2026, Eurofins Electrical and Electronic Testing NA, Inc. Page 2 of 7 Maryland | California | Texas www.metlabs.com DOC-EMC TEMP-1 (REG) 11-05-2021– Rev. 1 - Approved by DOC Manager 1. Certificate of Conformity Product: A-RF3 FCC ID: JPZ0159 IC ID: 2851A-JPZ0159 Brand: Lutron Electronics Test Model: A-RF3 Applicant: Lutron Electronics Test Date: July 28, 2026 Standard: 47 CFR FCC Part 2.1093 RSS-102, Issue 6, December 2023 Donald Salguero EMC Laboratory Engineer Engineering Statement: The measurements shown in this report were made in accordance with the procedures indicated. I assume full responsibility for the accuracy and completeness of these measurements, and for the qualifications of all persons taking them. It is further stated that upon the basis of the measurements made, the equipment tested is capable of operation in accordance with the requirements. Elmer Rodriguez Manager, Electromagnetic Compatibility Lab HEADQUARTERS: 914 WEST PATAPSCO AVENUE • BALTIMORE, MARYLAND 21230 • PHONE (410) 354-3300 • FAX (410) 354-3313 Report: WIR140299-FCC-RF Exposure © 2026, Eurofins Electrical and Electronic Testing NA, Inc. Page 3 of 7 Maryland | California | Texas www.metlabs.com DOC-EMC TEMP-1 (REG) 11-05-2021– Rev. 1 - Approved by DOC Manager Report Status Sheet Revision Report Date Reason for Revision Ø March 19, 2026 Initial Issue. 1 May 7, 2026 IC ID Typo Fix, Test Model Corrected, RSS Standard Year Corrected 2 May 15, 2026 Correction on RSS-102 Evaluation Calculations. 3 June 12, 2026 Simultaneous TX Scenario Added. 4 July 28, 2026 Updated Calculation HEADQUARTERS: 914 WEST PATAPSCO AVENUE • BALTIMORE, MARYLAND 21230 • PHONE (410) 354-3300 • FAX (410) 354-3313 Report: WIR140299-FCC-RF Exposure © 2026, Eurofins Electrical and Electronic Testing NA, Inc. Page 4 of 7 Maryland | California | Texas www.metlabs.com DOC-EMC TEMP-1 (REG) 11-05-2021– Rev. 1 - Approved by DOC Manager 2. RF Exposure Requirements: 47 CFR 2.1091(c)(1) Evaluation of compliance with the exposure limits in § 1.1310 of this chapter, and preparation of an EA if the limits are exceeded, is necessary for mobile devices with single RF sources having either more than an available maximum time- averaged power of 1 mW or more than the ERP listed in Table 1 to § 1.1307(b)(3)(i)(C), whichever is greater. For mobile devices not exempt by § 1.1307(b)(3)(i)(C) at distances from 20 centimeters to 40 centimeters and frequencies from 0.3 GHz to 6 GHz, evaluation of compliance with the exposure limits in § 1.1310 of this chapter is necessary if the ERP of the device is greater than ERP20cm in the formula below. If the ERP of a single RF source at distances from 20 centimeters to 40 centimeters and frequencies from 0.3 GHz to 6 GHz is not easily obtained, then the available maximum time-averaged power may be used (i.e., without consideration of ERP) in comparison with the following formula only if the physical dimensions of the radiating structure(s) do not exceed the electrical length of λ/4 or if the antenna gain is less than that of a half-wave dipole (1.64 linear value). 47 CFR 2.1091(c)(2) For multiple mobile or portable RF sources within a device operating in the same time averaging period, routine environmental evaluation is required if the formula in § 1.1307(b)(3)(ii)(B) of this chapter is applied to determine the exemption ratio and the result is greater than 1. Evaluation: S limit1 = 1 mW/cm 2 (2.4GHz Transmitter) S limit2 = 433.6/1500 = 0.29 mW/cm 2 (434MHz Transmitter) 푆= 푃∗퐺 4∗휋∗푟 2 Where S = power density in mW/cm2 P = output power to antenna in mW G = gain of antenna in linear scale Pi = 3.1416 R = distance between observation point and center of the radiator in cm 15.231. Transmitter Frequency: 431.5 MHz – 436.6 MHz Max Field Strength = 80.77 dBuV/m @ 3m ERP (dBm) = E (dBuV/m) +20 log [d (m)] - 104.77 – 2.15 ERP = 80.77 + 9.54 - 104.77 – 2.15 ERP = -16.6 dBm = 0.022 mW < 1mW EUT is exempt from MPE assessment. Spectral Density calculation for simultaneous TX assessment. S = 0.022 / (4*3.1416*20^2) = 0.0000044 mW/cm 2 HEADQUARTERS: 914 WEST PATAPSCO AVENUE • BALTIMORE, MARYLAND 21230 • PHONE (410) 354-3300 • FAX (410) 354-3313 Report: WIR140299-FCC-RF Exposure © 2026, Eurofins Electrical and Electronic Testing NA, Inc. Page 5 of 7 Maryland | California | Texas www.metlabs.com DOC-EMC TEMP-1 (REG) 11-05-2021– Rev. 1 - Approved by DOC Manager 15.247. Transmitter Frequency: 2402 MHz – 2480MHz Max Conducted Power: 21.4dBm* Tune Up Tolerance: 1dB Antenna Gain: 2.9 dBi EIRP = 21.4+1+2.9 = 25.3 dBm = 339 m…

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HEADQUARTERS: 914 WEST PATAPSCO AVENUE • BALTIMORE, MARYLAND 21230 • PHONE (410) 354-3300 • FAX (410) 354-3313 Maryland | California | Texas www.metlabs.com August 5, 2026 Lutron Electronics Dan Osle 7200 Suter Rd Coopersburg, PA 18036 Dear Dan Osle, Enclosed is the Electromagnetic Compatibility test report for compliance testing of the Lutron Electronics, A-RF3 as tested to the requirements of Title 47 of the CFR, Ch. 1 (10-1-06 ed.), Part 15 Subpart C for Intentional Radiators and RSS-247 for DTS devices, Issue 4, July 2025 for Intentional Radiators. Thank you for using the services of Eurofins Electrical and Electronic Testing NA, Inc. Please contact me if you have any questions regarding these results or if Eurofins E&E can be of further service to you. Sincerely, Donald Salguero EMC Department Eurofins Electrical and Electronic Testing NA, Inc. Reference: (\Lutron Electronics\EMC140299-FCC_RSS 247R6) Certificates and reports shall not be reproduced except in full, without the written permission of Eurofins Electrical and Electronic Testing NA, Inc. While use of the A2LA logo in this report reflects Eurofins Electrical and Electronic Testing NA, Inc. accreditation under these programs, the report must not be used by the client to claim product certification, approval, or endorsement by A2LA, or any agency of the Federal Government. This letter of transmittal is not a part of the attached report. Eurofins Electrical and Electronic Testing NA, Inc. is part of the Eurofins Electrical & Electronics (E&E) global compliance network. HEADQUARTERS: 914 WEST PATAPSCO AVENUE • BALTIMORE, MARYLAND 21230 • PHONE (410) 354-3300 • FAX (410) 354-3313 Report: EMC140299-FCC_RSS 247 © 2026, Eurofins Electrical and Electronic Testing NA, Inc. Page ii of vii Maryland | California | Texas www.metlabs.com DOC-EMC702 6/18/2009 Electromagnetic Compatibility Criteria Test Report for the Lutron Electronics A-RF3 Tested under the FCC Certification Rules contained in 15.247 Subpart C for Intentional Radiators and RSS-247 for DTS devices, Issue 4, July 2025 for Intentional Radiators Report: EMC140299-FCC_RSS 247R6 August 5, 2026 Prepared For: Lutron Electronics 7200 Suter Rd Coopersburg, PA 18036 Prepared By: Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Ave. Baltimore, MD 21230 HEADQUARTERS: 914 WEST PATAPSCO AVENUE • BALTIMORE, MARYLAND 21230 • PHONE (410) 354-3300 • FAX (410) 354-3313 Report: EMC140299-FCC_RSS 247 © 2026, Eurofins Electrical and Electronic Testing NA, Inc. Page iii of vii Maryland | California | Texas www.metlabs.com DOC-EMC702 6/18/2009 Electromagnetic Compatibility Criteria Test Report for the Lutron Electronics A-RF3 Tested under the FCC Certification Rules contained in 15.247 Subpart C for Intentional Radiators and RSS-247 for DTS devices, Issue 4, July 2025 for Intentional Radiators Donald Salguero EMC Laboratory Engineer Engineering Statement: The measurements shown in this report were made in accordance with the procedures indicated. I assume full responsibility for the accuracy and completeness of these measurements, and for the qualifications of all persons taking them. It is further stated that upon the basis of the measurements made, the equipment tested is capable of operation in accordance with the requirements. Elmer Rodriguez Manager, Electromagnetic Compatibility Lab HEADQUARTERS: 914 WEST PATAPSCO AVENUE • BALTIMORE, MARYLAND 21230 • PHONE (410) 354-3300 • FAX (410) 354-3313 Report: EMC140299-FCC_RSS 247 © 2026, Eurofins Electrical and Electronic Testing NA, Inc. Page iv of vii Maryland | California | Texas www.metlabs.com DOC-EMC702 6/18/2009 Report Status Sheet Revision Report Date Reason for Revision Ø March 18, 2026 Initial Issue. 1 March 26, 2026 Updated table of Contents 2 April 27, 2026 Customer requested changes 3 May 7, 2026 IC ID Typo Fix, Setup Photo Removed 4 May 15, 2026 Corrections per TCB Comments 5 June 15, 2026 Corrections per Customer Comments 6 July 23, 2026 Updated Spurious Emissions Table. Note on 30MHz Emissions Added. 7 August 5, 2026 Measurement Uncertainty Table Updated HEADQUARTERS: 914 WEST PATAPSCO AVENUE • BALTIMORE, MARYLAND 21230 • PHONE (410) 354-3300 • FAX (410) 354-3313 Report: EMC140299-FCC_RSS 247 © 2026, Eurofins Electrical and Electronic Testing NA, Inc. Page v of vii Maryland | California | Texas www.metlabs.com DOC-EMC702 6/18/2009 Table of Contents I. Executive Summary ...................................................................................................................................... 1 II. Equipment Configuration ............................................................................................................................. 2 III. References ...................................................................................................................................................... 3 IV. Equipment Configuration ............................................................................................................................. 4 V. Modifications ................................................................................................................................................. 6 VI. Disposition of EUT ........................................................................................................................................ 6 VII. Electromagnetic Compatibility Criteria for Intentional Radiators .......................................................... 7 VIII. Test Equipment ......................................................................................................................................... 103 List of Tables Table 1. Executive Summary ......................................................................................................................................... 1 Table 2. EUT Summary Table ...............................................................................................................................…

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LUTRON ELECTRONICS CO., INC. 12 August 2026 A-RF3 Wireless Processor Manufacturer: Lutron Electronics Co., Inc. 1. Antenna Description and Characteristics The antennas are permanently attached and cannot be modified or replaced by the user. The device utilizes 2 discreet antennas identified below: 2. Antenna Picture a. Wire monopole – See item highlighted blue below, is an 8.5” length of insulated 22 AWG wire Frequency Antenna Type Maximum Antenna Gain 434 MHz Wire Monopole -1.85 dBi 2.4 GHz PCB Printed F 2.9 dBi LUTRON ELECTRONICS CO., INC. 12 August 2026 b. PCB Printed F – See item highlighted in red below. Internal PCB trace. 3. Peak Gain and Pattern a. Wire monopole i. Peak Gain dBi = EIRP as reported by StarLab – Measured conducted RF power ii. 434 MHz Peak Gain = 3.32 dB - 5.17 dBm = -1.85 dBi LUTRON ELECTRONICS CO., INC. 12 August 2026 b. PCB Printed F i. Peak Gain dBi = EIRP as reported by StarLab – Measured conducted RF power ii. 2440 MHz Peak Gain = 23.59 dB – 20.7 dBm = 2.9 dBi 4. Test Site and Procedure The antenna gain is measured at Lutron Electronics, using MVG StarLab model SL V2_0.4- 6GHz. 5. Equipment List Description Make and Model Calibrated Calibration Due StarLab Test Setup StarLab SL V2_0.4-6GHz 6/26/2024 6/26/2025 RF Power Sensor R&S NRPS8 7/18/2023 7/18/2025 Test Engineer: Kaiming Li LUTRON ELECTRONICS CO., INC. 12 August 2026 6. Test Setup Photograph