2AEW6-TEDWM-4812Dual wireless microphones

TESONICINTERNATIONAL(HK)LTD. CoveredEquipmentCertificationAttestationLetter 06/26/2026 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA ATTN.:ReviewingEngineer FCCID:2AEW6-TEDWM-4812 TESONICINTERNATIONAL(HK)LTD.(“theapplicant”)certifiesthattheequipmentfor whichauthorizationissoughtisnot“covered”equipmentprohibitedfromreceivingan equipmentauthorizationpursuanttosection2.903oftheFCCrules. Note:Iftheequipmentforwhichtheapplicantseeksauthorizationisproducedby anyoftheentitiesidentifiedonthecurrentCoveredList,theapplicantshould includeanexplanationonwhytheequipmentisnot“covered”equipment. TESONICINTERNATIONAL(HK)LTD.(“theapplicant”)certifiesthat,asofthedateofthe filingoftheapplication,theapplicantisnotidentifiedontheCoveredList(asa specificallynamedentityoranyofitssubsidiariesoraffiliates)asanentityproducing “covered”equipment. TESONICINTERNATIONAL(HK)LTD. (“theapplicant”)certifiesthattheequipmentfor whichauthorizationissoughtdoesnotincludecybersecurityoranti-virussoftware producedorprovidedbyKasperskyLab,Inc.oranyofitssuccessorsandassignees, includingequipmentwithintegratedKasperskyLab,Inc.(oranyofitssuccessorsand assignees)cybersecurityoranti-virussoftwarepursuanttoDA-24-886andKDB986446 D01CoveredEquipmentGuidancesectionB(2a). Signed: Printedname:FionaLiu Title:Manager CompanyName:TESONICINTERNATIONAL(HK)LTD. Date:06/26/2026

TESONIC INTERNATIONAL (HK) LTD. * the applicant must designate a contact located in the United States for purposes of acting as the appl icant’s agent for service of process, regardless of whether the applicant is a domestic or forei gn ent ity. An applicant located in the United States may designate itself as the agent for service of process. U.S. Agent Designation for Service of Process - Certification Attestation Letter 06/25/2026 TO: Feder al Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 ATTN.: Reviewing Engineer FCC ID: 2AEW6-TEDWM-4812 FRN of applicant: 0024635260 Per section 2.911(d)(7) of the FCC rules, [ TESONIC INTERNATIONAL (HK) LTD.] (“the applicant”) certifies that the equipment for which authorization is sought is designated to the following U.S. agent* for service of process: C ompany Name: FCC US Agent, LLC FCC Registration Number (FRN): 0033402884 Physical U.S. Company Address: 3722 Illinois Avenue, Saint Charles, IL 60174, USA Contact Person: Tim Payne Agent Email Address: [email protected] The abov e contact person accepts the obligation for service of process. The appl icant 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. A pplicant Signed: Agent Signed (if different from Applicant): Signed: Printed name: Fiona Liu Title: Manager Company Name: TESONIC INTERNATIONAL (HK) LTD. Date: 06/25/2026 S igned: Printed name: Tim Payne Title: Manager Company Name: FCC US Agent, LLC Date: 06/25/2026

DATE:06/26/2026 FederalCommunicationsCommission Authorization&EvaluationDivision 7345OaklandMillsRoad Columbia,Maryland21046 AuthoritytoActasAgent Onourbehalf,IappointShenzhenEUTestingLaboratoryLimited (101,BuildingB1,FuqiaoFourthArea,QiaotouCommunityFuhaiSubdistrictBaoan District,Shenzhen,China)(NameofAgentcompanynameandaddress)toactasour agentinthepreparationofthisapplicationforequipmentcertification.Icertifythat submitteddocumentsproperlydescribethedeviceorsystemforwhichequipment certificationissought.Ialsocertifythateachunitmanufactured,importedormarketed,as definedintheFederalCommunicationsCommission’sregulationswillhaveaffixedtoita labelidenticaltothatsubmittedforapprovalwiththisapplication. Forinstanceswhereourauthorizedagentsignstheapplicationforcertificationonour behalf,Iacknowledgethatallresponsibilityforcomplyingwiththetermsandconditions forcertification,stillresideswithTESONICINTERNATIONAL(HK)LTD. (Room2801,the28thOfficeTower,6007ShennanAvenue,Shenzhen,China) (ApplicantNameandaddress) Signed: Printedname:FionaLiu Title:Manager CompanyName:TESONICINTERNATIONAL(HK)LTD. Date:06/26/2026

Date06/26/2026 FederalCommunicationsCommission Authorization&EvaluationDivision 7345OaklandMillsRoad Columbia,Maryland21046 RE:LETTEROFAGENTAUTHORIZATION ToWhomItMayConcern: We,theundersigned,herebyauthorizeComplianceTesting,LLCtoactonourbehalfinallmatters relatingtoapplicationforequipmentauthorization,includingthesigningofalldocumentsrelatingto thesematters. Wealsoherebycertifythatnopartytotheapplicationauthorizedhereunderissubjecttothedenialof benefits,includingFCCbenefits,pursuanttoSection5301oftheAnti-DrugAbuseActof1988,21 U.S.C.853(a). Sincerely, Signed: Printedname:FionaLiu Title:Manager CompanyName:TESONICINTERNATIONAL(HK)LTD. Date:06/26/2026

DATE06/26/2026 EquipmentAutorisationDivision FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 FCCID:___2AEW6-TEDWM-4812______ ProductName:___Dualwirelessmicrophones___ RequestforConfidentiality PursuanttoSections0.457and0.459ofthecommission’srules,weherebyrequestthat thefollowingdocumentsbeheldconfidential: (Listherethedocumentsforwhichyouareseekingconfidentiality–forexample...)  Schematics Blockdiagram Operationdescription Thesematerialscontaintradesecretsandproprietaryinformationandarenot customarilyreleasedtothepublic.Thepublicdisclosureofthisinformationmightbe harmfultothecompanyandprovideunjustifiedbenefitstoourcompetitors. Signed: Printedname:FionaLiu Title:Manager CompanyName:TESONICINTERNATIONAL(HK)LTD. Date:06/26/2026

DATE:06/26/2026 EquipmentAutorisationDivision FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 FCCID:2AEW6-TEDWM-4812 ProductName:Dualwirelessmicrophones RequestforShort-TermConfidentiality PursuanttoSections0.457and0.459ofthecommissionrules,andinaccordancewiththeFCCPublicnotice datedJune15,2004(DA04-1705),weherebyrequestshort-termconfidentialityforthefollowingitemspriorto marketingthedevice.: TestSetupPhotos ExternalPhotos InternalPhotos UserManual Theapplicantrequeststheexhibitsselectedaboveasshorttermconfidentialbewithheldfrompublicview foraperiodof180daysfromthedateoftheGrantofEquipmentAuthorizationandpriortomarketing.This istoavoidprematurereleaseofsensitiveinformationpriortomarketingorreleaseoftheproducttothe public. Signed: Printedname:FionaLiu Title:Manager CompanyName:TESONICINTERNATIONAL(HK)LTD. Date:06/26/2026

RFEXPOSUREEVALUATION FCCID:2AEW6-TEDWM-4812 AccordingtoKDB447498D01GeneralRFExposureGuidancev06andFCC 1.1310:Thecriterialistedinthefollowingtableshallbeusedtoevaluatethe environmentimpactofhumanexposuretoradiofrequency(RF)Radiationas specifiedin § 1.1307(b): RoutineSARevaluationreferstothatspecificallyrequiredby§2.1093,using measurementsorcomputersimulation.WhenroutineSARevaluationisnot required,portabletransmitterswithoutputpowergreaterthantheapplicable lowthresholdrequireSARevaluationtoqualifyforTCBapproval. BLE: Channel (MHz) Maximum outputpower (dBm) Tuneup tolerance (dBm) MaxTune UpPower (dBm) Distance (mm) Calculation results Limit Operating Mode 2402-1.99-1.99±1-0.9950.2473 BLE2440-2.60-2.60±1-1.6050.2163 2480-2.18-2.18±1-1.1850.2403 TestResults:PASS.

TESTREPORT ReportNo.:8432EU120803W Applicant:TESONICINTERNATIONAL(HK)LTD. Address:Room2801,the28thOfficeTower,6007Shennan Avenue,Shenzhen,China ProductName:Dualwirelessmicrophones ModelNo.:DWM-48/12 Trademark:AUTRIX FCCID:2AEW6-TEDWM-4812 TestStandard(s):47CFRPart15.247 TestResult:Pass DateofReceipt:Jun.08,2026 TestDate:Jun.09,2026-Jun.24,2026 DateofIssue:Jun.25,2026 ISSUEDBY: SHENZHENEUTESTINGLABORATORYLIMITED Preparedby:ReviewedandApprovedby: PeachZheng/EngineerSallyZhang/Manager Page2of56ReportNo.:8432EU120803W TRFVersion:A01 RevisionRecord ReportVersionIssuedDateDescriptionStatus V0Jun.25,2026OriginalValid Page3of56ReportNo.:8432EU120803W TRFVersion:A01 TableofContents 1COVERPAGE...................................................................................................................................................1 2GENERALINFORMATION........................................................................................................................5 2.1APPLICANTINFORMATION...................................................................................................................5 2.2MANUFACTURERINFORMATION...........................................................................................................5 2.3FACTORYINFORMATION......................................................................................................................5 2.4GENERALDESCRIPTIONOFE.U.T......................................................................................................5 2.5TECHNICALINFORMATIONOFE.U.T....................................................................................................6 3TESTSUMMARY.......................................................................................................................................7 3.1TESTSTANDARD................................................................................................................................7 3.2TESTVERDICT...................................................................................................................................7 3.3TESTLABORATORY............................................................................................................................8 4TESTCONFIGURATION...........................................................................................................................9 4.1TESTENVIRONMENT...........................................................................................................................9 4.2TESTEQUIPMENT...............................................................................................................................9 4.3DESCRIPTIONOFSUPPORTUNIT......................................................................................................11 4.4TESTMODE.....................................................................................................................................11 4.5DESCRIPTIONOFCALCULATION........................................................................................................11 4.5.1FieldStrengthCalculation..................................................................................................11 4.5.2DisturbanceCalculation.....................................................................................................11 4.6MEASUREMENTUNCERTAINTY..........................................................................................................12 4.7DEVIATIONFROMSTANDARDS..........................................................................................................12 4.8ABNORMALITIESFROMSTANDARDCONDITION..................................................................................12 5EVALUATIONRESULTS(EVALUATION)..............................................................................................13 5.1ANTENNAREQUIREMENT..................................................................................................................13 5.1.1TestSpecification...............................................................................................................13 5.1.2TestData............................................................................................................................13 6RADIOSPECTRUMMATTERTESTRESULTS(RF)............................................................................14 6.1CONDUCTEDEMISSIONATACPOWERLINE......................................................................................14 6.1.1TestSpecification...............................................................................................................14 6.1.2E.U.T.Operation.................................................................................................................14 6.1.3TestSetupDiagram...........................................................................................................14 6.1.4TestData............................................................................................................................14 6.26DBBANDWIDTH.............................................................................................................................17 6.2.1TestSpecification...............................................................................................................17 6.2.2E.U.T.Operation.................................................................................................................17 6.2.3TestSetupDiagram...........................................................................................................18 6.2.4TestData............................................................................................................................18 6.3MAXIMUMCONDUCTEDOUTPUTPOWER...........................................................................................19 6.3.1TestSpecification...........................................................................................................…

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company name：YONG CHENG INTERNATIONAL(OTA) address：8th Floor (Whole Floor), Senye Chuangda Building, No. 39 Gushu 2nd Road, Xixiang Street, Bao'an District, Shenzhen, Guangdong Province Customer客户1DataTime2025年03月27日 11时20分17秒 ProjectName项目1 TestResult TestEngineer咏成国际13530576606 FrequencyEfficPercenGain 2400-4.9831.75%-0.76 2410-5.0131.51%-0.67 2420-4.8932.46%-0.6 2430-5.0731.14%-0.9 2440-5.4828.3%-0.98 2450-5.3629.09%-0.5 2460-5.6127.51%-0.27 2470-5.5228.03%-0.06 2480-5.3828.96%-0.1 2490-5.8625.96%-0.4 2500-6.1924.05%-0.54