2AWYH-RUGGEDBT3HELMET BLUETOOTH HEADSET

RuggedRadios 08-07-2024 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:AttestationStatementsPart2.911(d)(5)(i)requestfor(FCCID:2AWYH-RUGGEDBT3) [RuggedRadios](“theapplicant”)certifiesthattheequipmentforwhich authorizationissoughtisnot“covered”equipmentprohibitedfromreceivingan equipmentauthorizationpursuanttosection2.903oftheFCCrules. Sincerely, SteveGonzalez RuggedRadios 08-07-2024 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:AttestationStatementsPart2.911(d)(5)(ii)requestfor(FCCID:2AWYH-RUGGEDBT3) [RuggedRadios](“theapplicant”)certifiesthat,asofthedateofthefilingofthe application,theapplicantisnotidentifiedontheCoveredListasanentityproducing “covered”equipment. Sincerely, SteveGonzalez

AttestationStatements 2024-08-07 TO:FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046,USA RE:AttestationStatementsPart2.911(d)(7)requestfor(FCCID:2AWYH-RUGGEDBT3) (RuggedRadios),theundersigned,herebyauthorize(RuggedRadios)toactasour designatedU.S.agentforserviceofprocess,( RuggedRadios) acceptstomaintainan agentfornolessthanoneyearafterthegranteehasterminatedallmarketingand importationortheconclusionofanyCommission-relatedproceedinginvolvingthe equipment. (RuggedRadios)acceptstheresponsibilitytoactasdesignatedU.S.agentforserviceof process,providesanagentfornolessthanoneyearafterthegranteehasterminatedall marketingandimportationortheconclusionofanyCommission-relatedproceeding involvingtheequipment. ApplicantInformation： Companyname:RuggedRadios ContactName:SteveGonzalez Address:509TrafficWayArroyoGrandeCaliforniaUnitedStates93420 TelephoneNo:(888)541-7223/805-541-1679 Email:[email protected] FRN:0029777471 U.S.AgentInformation: Companyname: RuggedRadios ContactName: SteveGonzalez Address: 509TrafficWayArroyoGrandeCaliforniaUnitedStates93420 TelephoneNo:(888)541-7223/805-541-1679 Email:[email protected] FRN:0029777471 ApplicantSignature:AgentSignature: (iftheagentisdifferentfromtheapplicant) Applicantprintedname:SteveGonzalezAgentprintedname:SteveGonzalez

RuggedRadios AgentAuthorizationLetter 2024-08-07 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 USA RE:LETTEROFAGENTAUTHORIZATION ToWhomItMayConcern: We,theundersigned,herebyauthorizeShenzhenMostTechnologyServiceCo.,Ltd.toact onourbehalfinallmattersrelatingtoapplicationforequipmentauthorization,includingthe signingofalldocumentsrelatingtothesematters. Wealsoherebycertifythatnopartytotheapplicationauthorizedhereunderissubjecttothe denialofbenefits,includingFCCbenefits,pursuanttoSection5301oftheAnti-DrugAbuse Actof1988,21U.S.C.853(a). Thisagreementexpiresoneyearfromthecurrentdate. Sincerely, Name: SteveGonzalez Position: Manager CompanyName: RuggedRadios Address: 509TrafficWayArroyoGrandeCaliforniaUnitedStates 93420 Tel/Fax (888)541-7223/805-541-1679 E-Mail: [email protected]

Rugged Radios 509 Traffic Way, Arroyo Grande, CA 93420, United States Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: Aug. 05, 2024 Subject; Request for Confidentiality FCC ID: 2AWYH-RUGGEDBT3 To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Operational Description In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuantto KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely Contact person: Steve Gonzalez

Modeldifferenceletter 2024-08-07 OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA ThisisanewApplicationfromRuggedRadios ModelNo.:RUGGEDBT3,BT2UP OnlythemodelRUGGEDBT3wastested,sincetheelectricalcircuitdesign, layout,componentsusedandinternalwiringwereidenticalfortheabove models,JusttheAppearanceandmodelnamesisdifferent. Thankyouforyourcooperation! Yourssincerely, Signatory: Sincerely, Signature: Name:SteveGonzalez Title:Manager

FCCID:2AWYH-RUGGEDBT3

Shenzhen Most Technology Service Co., Ltd. No.5, 2nd Langshan Road, North District, Hi-tech Industrial Park, Nanshan, Shenzhen, Guangdong, China. RF Exposure Evaluation Report Report Reference No. ..................... : FCC ID.. ........................................... : MTEB24070415-H 2AWYH-RUGGEDBT3 Compiled by ( position+printed name+signature) .. : File administrators Alisa Luo Supervised by ( position+printed name+signature) .. : Test Engineer Sunny Deng Approved by ( position+printed name+signature) .. : Manager Yvette Zhou Date of issue ..................................... : July 29,2024 Representative Laboratory Name .: Shenzhen Most Technology Service Co., Ltd. Address ............................................ : No.5, 2nd Langshan Road, North District, Hi-tech Industrial Park, Nanshan, Shenzhen, Guangdong, China. Applicant’s name ............................ : Rugged Radios Address ............................................ : 509 Traffic Way Arroyo Grande California United States 93420 Test specification/ Standard ..........: 47 CFR Part 1.1307 47 CFR Part 2.1093 TRF Originator .................................. : Shenzhen Most Technology Service Co., Ltd. Shenzhen Most Technology Service Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen Most Technology Service Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen Most Technology Service Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test item description .....................: HELMET BLUETOOTH HEADSET Trade Mark ....................................... : Rugged Radios Model/Type reference....................... : RUGGED BT3 Listed Models .................................. : BT2UP Modulation Type ............................... : GFSK Operation Frequency ........................ : From 2402MHz to 2480MHz Hardware Version .............................. V20 Software Version ............................... V02 Rating ............................................... : DC 3.7V by Battery DC 5V by USB Port Result................................................ : PASS Report No.: MTEB24070415-H Page 2 of 5 T E S T R E P O R T Equipment under Test : HELMET BLUETOOTH HEADSET Model /Type : RUGGED BT3 Listed Models : BT2UP Remark Difference in Appearance and model names Applicant : Rugged Radios Address : 509 Traffic Way Arroyo Grande California United States 93420 Manufacturer : SUCCESS ETC TECHNOLOGY CO., LTD Address : 3 rd floor,No.33,Ansheng Rd,Maan Hill,Shajing,Baoan Dist, Shenzhen Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: MTEB24070415-H Page 3 of 5 1. R e v i s i o n H i s t o r y Revision Issue Date Revisions Revised By 00 2024.07.29 Initial Issue Alisa Luo Report No.: MTEB24070415-H Page 4 of 5 2. S A R E v a l u a t i o n 2.1 RF Exposure Compliance Requirement 2.1.1 Standard Requirement According to KDB447498D01 General RF Exposure Guidance v06 4.3.1. Standalone SAR test exclusion considerations Unless specifically required by the published RF exposure KDB procedures, standalone 1-g head or body and 10-g extremity SAR evaluation for general population exposure conditions, by measurement or numerical simulation, is not required when the corresponding SAR Exclusion Threshold condition, listed below, is satisfied. 2.1.2 Limits The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50 mm are determined by: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] · [√f(GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR, where The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm and for transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine SAR test exclusion Report No.: MTEB24070415-H Page 5 of 5 2.1.3 EUT RF Exposure Measurement Data EDR GFSK Test channel Peak Output Power (dBm) Tune up tolerance (dBm) Maximum tune-up Power (dBm) Lowest(2402MHz) -1.227 -1.227±1 -0.227 Middle(2441MHz) -0.941 -0.941±1 0.059 Highest(2480MHz) -1.576 -1.576±1 -0.576 Worst case: GFSK Channel Maximum Peak Conducted Output Power (dBm) Maximum tune-up Power Calculated value Exclusion threshold SAR Test Exclusion (dBm) (mW) Middle(2441MHz) -0.941 0.059 1.01 0.32 3.0 Yes .......................THE END OF REPORT.........................

Shenzhen Most Technology Service Co., Ltd. No.5, 2nd Langshan Road, North District, Hi-tech Industrial Park, Nanshan, Shenzhen, Guangdong, China. TEST REPORT FCC Rules Part 15.247 Report Reference No........................: FCC ID.................................................: MTEB24070415-R 2AWYH-RUGGEDBT3 Compiled by ( position+printed name+signature)..: File administrators Alisa Luo Supervised by ( position+printed name+signature)..: Test Engineer Sunny Deng Approved by ( position+printed name+signature) .. : Manager Yvette Zhou Date of issue.........................................:July 29,2024 Representative Laboratory Name.:Shenzhen Most Technology Service Co., Ltd. Address ................................................. : No.5, 2nd Langshan Road, North District, Hi-tech Industrial Park, Nanshan, Shenzhen, Guangdong, China. Applicant’s name...............................: Rugged Radios Address.................................................: 509 Traffic Way Arroyo Grande California United States 93420 Test specification/Standard............: FCC Rules Part 15.247 TRF Originator......................................:Shenzhen Most Technology Service Co., Ltd. Shenzhen Most Technology Service Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen Most Technology Service Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen Most Technology Service Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test item description........................: HELMET BLUETOOTH HEADSET Trade Mark............................................: Rugged Radios Model/Type reference ......................... : RUGGED BT3 Listed Models......................................: BT2UP Modulation Type .................................. : GFSK Operation Frequency .......................... : From 2402MHz to 2480MHz Hardware Version................................. V20 Software Version ................................... V02 Rating ..................................................... : DC 3.7V by Battery DC 5V by USB Port Result ..................................................... :PASS Report No.: MTEB24070415-RPage 2 of 41 TEST REPORT Equipment under Test:HELMET BLUETOOTH HEADSET Model /Type:RUGGED BT3 Listed Models:BT2UP RemarkDifference in Appearance and model names Applicant:Rugged Radios Address: 509 Traffic Way Arroyo Grande California United States 93420 Manufacturer:SUCCESS ETC TECHNOLOGY CO., LTD Address :3 rd floor,No.33,Ansheng Rd,Maan Hill,Shajing,Baoan Dist, Shenzhen Test Result:PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Contents Report No.: MTEB24070415-RPage 3 of 41 1R E V I S I O N H I S T O R Y ................................................................................................................3 2T E S T S T A N D A R D S ...................................................................................................................5 3S U M M A R Y ...................................................................................................................................... 6 3.1General Remarks6 3.2Product Description6 3.3Equipment Under Test6 3.4Short description of the Equipment under Test (EUT)6 3.5EUT operation mode7 3.6Block Diagram of Test Setup7 3.7Test Item (Equipment Under Test) Description*7 3.8Auxiliary Equipment (AE) Description7 3.9Antenna Information*7 3.10 Related Submittal(s) / Grant (s)8 3.11 Modifications8 3.12 EUT configuration8 4T E S T E N V I R O N M E N T ............................................................................................................. 9 4.1Address of the test laboratory9 4.2Environmental conditions9 4.3Summary of measurement results10 4.4Statement of the measurement uncertainty10 4.5Equipments Used during the Test11 5T E S T C O N D I T I O N S A N D R E S U L T S ............................................................................1 2 5.1AC Power Conducted Emission12 5.2Radiated Emission15 5.3Maximum Peak Output Power21 5.420dB Bandwidth22 5.5Frequency Separation23 5.6Number of hopping frequency24 5.7Time of Occupancy (Dwell Time)25 5.8Spurious RF Conducted Emission26 5.9Pseudorandom Frequency Hopping Sequence27 5.10 Antenna Requirement28 6T E S T S E T U P P H O T O S O F T H E E U T ..........................................................................2 9 7P H O T O S O F T H E E U T .........................................................................................................3 0 APPENDIX I.Duty Cycle31 APPENDIX II.Dwell Time33 APPENDIX III.Number Of Hopping Channel34 APPENDIX IV.Conducted Peak Output Power35 APPENDIX V.99% Bandwidth36 APPENDIX VI.20dB Bandwidth37 APPENDIX VII.Carrier Frequencies Separation38 APPENDIX VIII.Conducted Out Of Band Emission39 1 Revision History Report No.: MTEB24070415-RPage 4 of 41 RevisionIssue DateRevisionsRevised By 002024.07.29Initial IssueAlisa Luo Report No.: MTEB24070415-RPage 5 of 41 2TESTSTANDARDS The tests were performed according to following standards: FCC Rules Part 15.247 : Frequency Hopping, Direct Spread Spectrum and Hybrid Systems that are in operation within the bands of 902-928 MHz, 2400-2483.5 MHz, and 5725-5850 MHz. ANSI C63.10-2013 : American National Standard for Testing Unlicensed Wireless Devices Report No.: MTEB24070415-RPage 6 of 41 3 SUMMARY 3.1 General Remarks Date of receipt of test sample:2024.07.24 Testing commenced on:2024.07.25 Testing concluded on: 2024.07.29 3.2 Product Description Product Name:HELMET BLUETOOTH HEADSET Model/Type reference:RUGGED BT3 Power Supply： DC 3.7V by Battery DC 5V by USB Port Testing sample ID：MTYP06198 Bluetooth : Supported Type:Bluetooth …

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