Y9ZFL8000WS73M Peltor Multi-Comm Push-To-Talk Adapter

Date: July 7, 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: Y9ZFL8000WS7 Dear Sir or Madam, 3M Company (“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, nor will it ever 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, Yuriy Litvinov, Lead EMC Engineer 3M EMC Laboratory, 76-201-NE 410 E. Fillmore Ave. | St. Paul, MN 55107-1208 | United States Office: +1 651 778 6336 [email protected]

To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: July 7, 2026 Ref: Attestation Statements Part 2.911(d)(7) Filing FCC ID: Y9ZFL8000WS7 3M Company (“the applicant”) certifies that, as of the date of the filing of the application, 3M Company is our designated U.S. agent for service of process for the above referenced FCC ID. 3M Company accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. 3M Company accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information: Name: 3M Company Address: 3M Center, Maplewood, MN 55144-1000 FRN: 0005881040 Contact Person: Yuriy Litvinov Phone: 1-651-778-6336 Email: [email protected] Sincerely, 3M Company (U.S. agent company name printed name) Yury Litvinov U.S. agent company name signature Rev 1/26/2023

July 7, 2026 Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: Y9ZFL8000WS7 To whom it may concern, Pursuant to Sections 0.457(d)(1)(ii) and 0.459 of the Commission’s Rules, 3M Company hereby requests permanent confidential treatment of information accompanying this application as outlined below: • Schematics • Block Diagram • Operational Description 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. Yuriy Litvinov, Lead EMC Engineer 3M EMC Laboratory 410 E. Fillmore Ave. St. Paul, MN 55107-1208 Office: +1 651 778 6336 [email protected]

July 7, 2026 Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 Short-term Confidentiality FCC ID: Y9ZFL8000WS7 To whom it may concern, Request is hereby submitted by 3M Company to withhold from public review for a period of 180 days from the date of the Grant of Equipment Authorization and prior to marketing, certain portions of the application for equipment certification for the referenced FCC identifier. This request for confidentiality is made pursuant to 47 CFR 0.457(d) and 0.459 of the FCC Rules. In particular, the following sections of the application are to be kept confidential for a period of 180 days in addition to the Long-Term confidentiality request from the date of Authorization: • Test setup photos • External photos • Internal photos • User Manual 3M Company has invested considerable time and materials in research and development to produce the referenced product. Disclosure of the short-term confidential portions of this application during the period of importation and/or distribution would reveal key aspects of proprietary technology to competitors and diminish the value of our investment in research and development. 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. Yuriy Litvinov 3M Company, Lead EMC Engineer 3M EMC Laboratory, Building 76 St. Paul, MN 55107-1208 Office: 651 778 6336 [email protected]

3M EMC Laboratory Report Number: HRE202602510-1 Date: July 15, 2026 Page 36 of 37 4.8 RF Exposure Evaluation Reference Standard(s): KDB 447498 RF Exposure Guidance v06 KDB 447498 Interim RF Exposure Guidance v01 RSS 102, Issue 6 MPE SAR Evaluation SAR Test Exclusion Frequency Range(s): 902-928.0MHz 2402-2480.0MHz Antenna Separation Distance: >5mm RF Exposure Conditions: Portable (Body-worn) 2.4GHz Antenna Gain: 0.3dBi Maximum BT EDR the source-based conducted output power: 2.7mW(4.3dBm)*0.7(FHSS worst case duty cycle) = 1.9mW(2.8dBm) Maximum BT EDR EIRP/ERP output power: EIRP=2.8dBm + 0.3dBi=3.1dBm(2.04mW) <3mW ERP=3.1dBm - 2.15dB=0.95dBm(1.24mW) <3mW Maximum QHS the source-based conducted output power: 3.1mW(4.9dBm)*0.85(worst case duty cycle) = 2.64mW(4.2dBm) Maximum QHS EIRP/ERP output power: EIRP=4.2dBm + 0.3dBi=4.5dBm(2.82mW) <3mW ERP=4.5dBm - 2.15dB=2.35dBm(1.7mW) <3mW The SAR Exclusion Threshold Level FCC Part 2.1093 3mW>5mm @2.45GHz RSS 102, Issue 6 3mW>5mm @2.45GHz Note:

3M Serica (SR4W035) BT/WiFiTest DateAuthorProject 23.Feb.2026Charles LeeRainier Update DateVersionContent 23/Feb 2026Rev.A26006Initial Introduction 3M supplied one complete Rainer unit for 2.4GHz antenna performance testing. The DUT has Antenova’s Serica (SR4W035) antenna implemented and its passive performance was evaluated. Agenda WiFi (2.4GHz) antenna performance : Baseline Serica vs. Tuned Serica Test setup and measurement photos RF performance results: •Return Loss •VSWR •Efficiency •Peak Gain •Radiation Patterns Conclusion and key takeaways *Appendix comparison on Floating Flex Integrated Antenna & RF Solutions © ANTENOVA 2026 4 Antenna CablingDevice back view Test cable setup Serica (SR4W035) Device front view Integrated Antenna & RF Solutions © ANTENOVA 2026 5 Return Loss/Isolation Passive Efficiency Keysight P9372A-ATO-1852 (300 kHz to 9 GHz, 2-port)Chamber equipment Rig Equipment Used Integrated Antenna & RF Solutions © ANTENOVA 2026 6 Anechoic chamber 400MHz – 6000MHz All tests using this arrangement were performed in free space Calibrated 3D Anechoic Chamber Satimo StarGate 24 and a Network Analyzer E8357A Agilent Technologies. The return loss at the input of the matching circuit was measured using an Keysight P9372A-ATO-1852 Vector Network Analyser. For all measurements, the relevant sleeve choke was used to reduce the effect of the cable radiation. Equipment Used Integrated Antenna & RF Solutions © ANTENOVA 2026 7 Circuit diagram The recommended matching circuit is valid only for the hardware configuration provided. Any changes to the PCB layout, hardware or relative position of the antenna, including microphones, speakers, batteries, cases, etc, may modify the antenna impedance and it would require a different matching circuit. *Equivalent components can be used DesignatorTypeValueManufacturer*Series Z1Capacitor1.2pFMurataGRM18 Series Z2Capacitor1.2pFMurataGRM18 Series Z3Inductor 15nH MurataLQG18 Series Recommended matching circuit Z1 Recommended Matching Circuit (Tuned) Z2 Z3 Integrated Antenna & RF Solutions © ANTENOVA 2026 8 Test results using recommended matching circuits. Baseline2410-2490MHz Efficiency (Min.) 9.7% Efficiency (Avg.) 16.5% Gain (Peak) -2.0dBi Gain (Avg.) -8.0dB Results Summary Tuned2410-2490MHz Efficiency (Min.) 27.2% Efficiency (Avg.) 35.0% Gain (Peak) 0.3dBi Gain (Avg.) -4.6dB Integrated Antenna & RF Solutions © ANTENOVA 2026 9 S-Parameter The Return Loss at the input of the matching circuit was measured using an Keysight P9372A Vector Network Analyzer. BaselineTuned Integrated Antenna & RF Solutions © ANTENOVA 2026 10 VSWR The VSWR at the input of the matching circuit was measured using an Keysight P9372A Vector Network Analyzer. BaselineTuned Integrated Antenna & RF Solutions © ANTENOVA 2026 11 Efficiency Antenna efficiency and peak gain of antenna using recommended matching circuits measured in anechoic chamber. 0 5 10 15 20 25 30 35 40 45 50 2390240024102420243024402450246024702480249025002510 Efficiency (%) Frequency (MHz) BaselineTuned Integrated Antenna & RF Solutions © ANTENOVA 2026 12 Peak Gain Antenna efficiency and peak gain of antenna using recommended matching circuits measured in anechoic chamber. -7 -6 -5 -4 -3 -2 -1 0 1 2 3 2390240024102420243024402450246024702480249025002510 Peak Gain (dBi) Frequency (MHz) BaselineTuned Integrated Antenna & RF Solutions © ANTENOVA 2026 13 Radiation Patterns of Serica (SR4W035) Antenna radiation pattern using recommended matching circuits measured in anechoic chamber. 2450 MHz X z Y Integrated Antenna & RF Solutions © ANTENOVA 2026 14 Conclusion Performance of the Serica (SR4W035) is optimized in the tuned solution compared to the pre-tuned baseline. Specifically, the tuned matching network provides significant improvements in both return loss and overall efficiency. The appendix below illustrates the flex condition, comparing the floating flex and original flex stacking configuration. 0 5 10 15 20 25 30 35 40 45 50 2390240024102420243024402450246024702480249025002510 Efficiency (%) Frequency (MHz) BaselineTuned Integrated Antenna & RF Solutions © ANTENOVA 2026 15 Appendix Comparison on Floating Flex Test Setups X z Y Integrated Antenna & RF Solutions © ANTENOVA 2026 16 S-Parameter The Return Loss at the input of the matching circuit was measured using an Keysight P9372A Vector Network Analyzer. Tuned FlexFloating Flex Integrated Antenna & RF Solutions © ANTENOVA 2026 17 VSWR The VSWR at the input of the matching circuit was measured using an Keysight P9372A Vector Network Analyzer. Tuned FlexFloating Flex Integrated Antenna & RF Solutions © ANTENOVA 2026 18 Efficiency Antenna efficiency in this device is slightly impacted by the flex, showing a variance of ~2%. 0 10 20 30 40 50 2390240024102420243024402450246024702480249025002510 Efficiency (%) Frequency (MHz) 3M_Tuned3M_Floating flex_Tuned Tuned 2410-2490MHz Efficiency (Min.) 27.2% Efficiency (Avg.) 35.0% Gain (Peak) 0.3dBi Gain (Avg.) -4.6dB Floating FLEX 2410-2490MHz Efficiency (Min.) 29.4% Efficiency (Avg.) 36.7% Gain (Peak) 1.0dBi Gain (Avg.) -4.3dB Tuned FlexFloating Flex Integrated Antenna & RF Solutions © ANTENOVA 2026 19 Statement on Intellectual Property It is the policy of Antenova Ltd to file worldwide patents on all novel technology and exploitable ideas developed within the company. All information provided in this document is, and shall remain, the property of Antenova. Nothing herein shall be construed as granting or conferring any rights by license or otherwise in the Information except as expressly provided herein. A recipient acquires hereunder only a limited right to use the Information solely for the purpose of evaluation of the technology, subject to the terms and conditions set out in an associated Non Disclosure Agreement. Disclaimer Antenova accepts no responsibility for injury to the individual resulting from the use or misuse of this product. End of document Integrated Antenna & RF Solutions © ANTENOVA 2026 20 TRP & Efficie…

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This report is the confidential property for the exclusive internal use of 3M Company and applies only to the specific item tested under the stated test conditions. This test report shall not be reproduced except in full, without written approval of the 3M EMC laboratory and must not be used to claim product certification, approval, or endorsement by NVLAP, NIST, or any agency of the U.S. Government. Any changes impacting the attributes, functionality or operational characteristics documented in this report shall be communicated to the body responsible for approving (certifying) the subject equipment. EMC TEST REPORT NVLAP Lab Code:200033-0 Standard(s): 47 CFR FCC Part 15.247 RSS 247, Issue 4, 2025 FCC ID:Y9ZFL8000WS7 IC:4406A-FL8000WS7 Product: 3M™ PELTOR™ Multi-Comm Push-To-Talk Adapter (LE/QHS) Model(s): FL8000-US SV/CY Company Name: 3M Svenska AB 3M Division: PSD Address: Box 2341, Malmstensgatan 19 SE-33102 Värnamo, Sweden Report Number: HRE202602510-1 Report Issue Date: July 15, 2026 Report Prepared by: Signature: Yuriy Litvinov Lead EMC Engineer Tested by: 3M Company, Hardgoods Regulatory Engineering Laboratory 410 E. Fillmore Avenue, Building 76 St. Paul, Minnesota 55107-1208, USA 3M EMC Laboratory Report Number: HRE202602510-1 Date: July 15, 2026 Page 2 of 37 TABLE OF CONTENTS Item Description Page 1.0 Test Summary 3 1.1 Measurement Uncertainty 3 1.2 Test Facility 3 2.0 Equipment Description 4 2.1 Equipment Under Test 4 3.0 EUT Configuration 5 3.1 System Configuration 5 3.2 Input/Output Ports of EUT 5 3.3 Cables 5 3.4 Measurement Arrangements of EUT 5 3.5 Primary functions(s) of EUT 5 3.6 Exercising of EUT and Interfaces 5 4.0 Test Conditions and Results 6 4.1 DTS Bandwidth 6 4.2 Maximum Peak Conducted Output Power 9 4.3 Maximum Power Spectral Density level 11 4.4 Radiated Emissions in restricted band 13 4.5 Radiated Emissions in non-restricted band 30 4.6 DTS Band-edge Emissions Measurements 33 4.7 Conducted Emissions 35 4.8 RF Exposure Evaluation 36 5.0 Test Equipment 37 6.0 Revision History 37 3M EMC Laboratory Report Number: HRE202602510-1 Date: July 15, 2026 Page 3 of 37 1.0 Test Summary Based on the results of our investigation, we have concluded the product tested comply with the requirements of the standard(s) indicated. The results obtained in this test report pertain only to the item(s) tested. Requirement – Test Test Description Result Comments 4.1 FCC Part 15.247(a)(2)/ RSS-247(6.3.1(a))/RSS-Gen (6.7) DTS Bandwidth pass 4.2 FCC Part 15.247(b)(3)/ RSS-247(6.3.2) Maximum Peak Conducted Output Power pass 4.3 FCC Part 15.247(e)/ RSS-247(6.3.1(b)) Maximum Power Spectral Density level pass 4.4 FCC Part 15.209 RSS-Gen, 8.9 Radiated Emissions in restricted band pass 4.5 FCC Part 15.247(d)/ RSS-247(6.6) Radiated Emissions in non-restricted band pass 4.6 FCC Part 15.247(d)(1)/ RSS-247(6.6) DTS Band-edge Emissions Measurements pass 4.7 FCC Part 15.207/ RSS-Gen (8.8) Conducted Emissions pass 4.8 FCC Part 15.247(i)/ RSS 102 Issue 6 RF Exposure Compliance pass Note: 1.1 Measurement Uncertainty The measured value related to the corresponding limit will be used to decide whether the equipment meets the requirements. The measurement uncertainty figures were calculated and correspond to a coverage factor of k=2, providing a confidence level of respectively 95.45 % in the case where the distributions characterizing the actual measurement uncertainties are normal (Gaussian). Radiated emissions 30MHz to 1000MHz 4.9 dB Radiated emissions 1GHz to 18GHz 4.6 dB Conducted emissions 150KHz to 30MHz (AMN) 2.7 dB Conducted emissions 150KHz to 30MHz (AAN) 1.92 dB RF frequency ±3 × 10 –8 RF power, conducted 1.4 dB RF Power Spectral Density 0.96 dB 1.2 Test Facility Test Facility Accreditations: ISO/IEC 17025:2017, NVLAP LAB CODE: 200033-0 FCC US502 ISED Canada CAB identifier: US0012 3M EMC Laboratory Report Number: HRE202602510-1 Date: July 15, 2026 Page 4 of 37 2.0 Equipment Description 2.1 Equipment Under Test Description: FL8000 adapter connects and provides Push-To-Talk (PTT) functionality between PELTOR communication headsets and selected two-way radios. Model(s): FL8000-US SV/CY Serial number: 26111000006 3M Division: Personal Safety Modifications and Special Measures: none Frequency Range: 2402.0-2480.0 MHz Channel No.: 39 Modulation Type: GFSK/DPSK FCC Classification: Digital Transmission System (DTS) Conducted RF Output Power: LE 3.8dBm (2.4mW)/QHS 4.9dBm (3.1mW) Antenna Type and Antenna Assembly Gain: External PCB Chip Antenna Dedicated 0.3dBi Declared by the Manufacturer Measured Test Deviations or Exclusions: Yes No Rated Power: Voltage: 120VAC 230VAC 5VDC Phase: 1ph 3ph USB-C Frequency: 50Hz 60Hz Current: N/A Test Dates: 06/22-07/152026 Received Date: 06/10/2026 Received Conditions: Poor Good Prototype Production 3M EMC Laboratory Report Number: HRE202602510-1 Date: July 15, 2026 Page 5 of 37 3.0 EUT Configuration 3.1 System Configuration No. Product Type Manufacturer Model Comments 1 PTT 3M FL8000 EUT 2 Headset 3M ComTac VIII Support Equipment 3 PTT 3M RCU-300 Support Equipment 4 Notebook PC HP Zbook Support Equipment 3.2 Input/Output Ports of EUT No. Description Type Comments 1 Radio 1/2/DC Power Round Screw locking 2 ICS/VIC Round Screw locking Internal intercom/external radio in vehicles 3 Headset Round Screw locking 3.3 Cables No. Description Type Length Shielding Comments 1 Headset EUD6 0.3m Yes 2 Power EUD6 1.5m Yes 3.4 Measurement Arrangements of EUT Intended Operational Arrangement(s) Comments Table-top only Floor-standing only Floor-standing or table-top Other Body-worn 3.5 Primary function(s) of EUT No. List of Essential Functions 1 Push-to-Talk Adapter for connection between headsets and radio equipment 2 3.6 Exercising of EUT and Interfaces No. Mode of Operation 1 Continuous transmission of LE modulated signal at lowest (0), middle (19) and highest (39) channels. 2 Continuous transmission of QHS modulated signal at lowest (1), middle (19) and highest (38) channels 3 Devic…

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