2AIQW-V3400ACTIVE SPEAKER

C5266091_X24_Ed.2 1/1 NingboTonwelAudioCo.,LTD “AttestationStatements” TO: OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 TheCommissionadoptedrulesthatprohibitequipmentauthorizationfor“covered” telecommunicationsequipmentandvideosurveillanceequipmentproducedbyentitiesidentified ontheCommission’sCoveredList 1 ,whichisperiodicallyupdated.SeetheCoveredListformore details.ThisAttestationStatementistoconfirmthatwefollowtheSection2.911(d)(5)(i)-(ii) Applicant Companyname:NingboTonwelAudioCo.,LTD Granteecode:2AIQW FCCID:2AIQW-V3400 ContactName:zhilongFu Address:No.28,XiyiRoad,JiangshanTown,Yinzhou,Ningbo,China TelephoneNo:0574-88160000 FaxNo:0574-88160000 Email:[email protected] i.[NingboTonwelAudioCo.,LTD](“theapplicant”)certifiesthattheequipment forwhichauthorizationissoughtisnot“covered”equipmentprohibitedfrom receivinganequipmentauthorizationpursuanttosection2.903oftheFCC rules.Theapplicantmustsignthiscertification. ii.[NingboTonwelAudioCo.,LTD](“theapplicant”)certifiesthat,asofthedate ofthefilingoftheapplication,theapplicant[isnot](asaspecificallynamed entityoranyofitssubsidiariesoraffiliates)identifiedontheCoveredListas anentityproducing“covered”equipment.Theapplicantmustsignthis certification. [NingboTonwelAudioCo.,LTD](“theapplicant”)certifiesthat,asofthedateofthe filingoftheapplication,theapplicant[isnot]identifiedontheCoveredListasan entityproducing“covered”equipment. Date:2023/06/19 Applicant’sName:zhilongFu Title:Manager Signature 1 TheCommission’sCoveredListispublishedbythePublicSafetyandHomelandSecurityBureauandpostedonthe Commission’swebsite.ThisCoveredList,whichisperiodicallyupdated,identifiesparticularequipment,producedby particularentities,thatconstitutes“covered”equipment.https://www.fcc.gov/supplychain/coveredlist

NingboTonwelAudioCo.,LTD ProductSimilarityDeclaration Productname:ACTIVESPEAKER Modelname:V3412,V3415 We(NingboTonwellAudioCo.,LTD.)herebydeclarethatall modelsareelectricalidentical,includingthesamesoftware parametersandhardwaredesign(i.e.circuitdesign,PCBlayout, RFmodule/circuit,antennatypeandantennaposition, componentsonthePCB,etc.),thesamemechanicalstructureand design(includingmaterials,etc.),Theonlydifferenceisthatthe modelnameandexteriorcolorsizearedifferent. Signature: Name:zhihongFu Title:Manager Date:2023-06-19 CompanyName:NingboTonwelAudioCo.,LTD Address:No.28,XiyiRoad,JiangshanTown,Yinzhou,Ningbo, China

C5266091_X8_Ed.1 1/1 LetterofAuthorization NingboTonwelAudioCo.,LTD Company:NingboTonwelAudioCo.,LTD Address:No.28,XiyiRoad,JiangshanTown,Yinzhou,Ningbo, China ProductName:ACTIVESPEAKER ModelNumber:TV3412,V3415 FCCIdentifier:2AIQW-V3400 WeauthorizeLGAITechnologicalCenterS.A.,RondadelaFontdelCarme,s/n, 08193Bellaterra,Spain,toactonourbehalfonallmattersconcerningthe abovenamedequipment. AnyindividualwithinLGAITechnologicalCenterS.A.isauthorizedtoactonour behalfandtakeactionontheapplication. WedeclarethatauthorizeLGAITechnologicalCenterS.A.,RondadelaFontdel Carme,s/n,08193Bellaterra,Spain,isallowedtoforwardallinformation relatedtotheapprovalprojecttotheFederalCommunicationCommissionand todiscussanyissuesconcerningtheapprovalapplication.Anyandallacts carriedoutbyLGAITechnologicalCenterS.A.onourbehalfshallhavethe sameeffectasactsofourown. Name:zhilongFuDate:2023.06.19 Title:Manager Signatureofapplicant:

C5266091_X10_Ed.2 1/1 NingboTonwelAudioCo.,LTD OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date:2023-06.19 Subject:RequestforConfidentiality FCCID:2AIQW-V3400 ToWhomItMayConcern, PursuanttotheprovisionsofSections0.457and0.459ofCommission'srules (47CFR0.457,0.459),wearerequestingtheCommissiontowithholdthefollowing attachment(s)asconfidentialdocumentfrompublicdisclosure. ExhibitsLong-Term Confidentiality Short-Term Confidentiality NOTE2 IDLabel/LocationNoNo AttestationStatementNoNo ExternalPhotosNo ☐ BlockDiagram ☒☐ Schematics ☒☐ TestReportNoNo TestSetupPhotosNo ☐ User’sManual ☐ NOTE 1 ☐ InternalPhotos ☐ NOTE 1 ☐ PartsList/TuneUp ☐☐ RFExposureInfoNoNo OperationalDescription ☒☐ CoverLetter(s)NoNo SDRSoftware/SecurityInfo ☐ No NOTE1:Long-TermConfidentialitymaybepermittedunderspecialconditions(SeeII.LONG-TERMCONFIDENTIALITY,Section3of KDB726920,uselastinforce) NOTE2:Short-TermConfidentialitycanberequestedforamaximumof180daysfromthedateofthegrant. Abovementioneddocumentcontainsdetailedsystemandequipmentdescriptionare consideredasproprietaryinformationinoperationoftheequipment.Thepublic disclosureofabovedocumentsmightbeharmfultoourcompanyandwouldgive competitoranunfairadvantageinthemarket. Incaseofshort-termConfidentiality,theapplicantrequeststheexhibitsselected abovearewithheldfrompublicviewforaperiodof______daysfromthedateofthe GrantofEquipmentAuthorizationandpriortomarketing. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondentduringcertificationreviewprocesscannotbegrantedasconfidential documentsandthoseinformationwillbeavailableforpublicreviewoncethegrantof equipmentauthorizationisissued. C5266091_X10_Ed.2 1/1 Sincerely, Signature: Name:zhilongFu Title:Manager 2023.06.19

Page1of3ReportNo.:FCS202304198 Externalphotos Photo1 Photo2 Page2of3ReportNo.:FCS202304198 Photo3 Photo4 Page3of3ReportNo.:FCS202304198 Photo5 Photo6

LabelandLabelLocation FCCID:2AIQW-V3400

Page1of5ReportNo.:FCS202304198 Internalphotos Photo1 Photo2 Page2of5ReportNo.:FCS202304198 Photo3 Photo4 Page3of5ReportNo.:FCS202304198 Photo5 Photo6 Page4of5ReportNo.:FCS202304198 Photo7 Photo8 Page5of5ReportNo.:FCS202304198 Photo9 PCBantenna

Page1of2ReportNo.:FCS202304198 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.FCS-lab.com FCCRFExposure EUTDescription:ACTIVESPEAKER ModelNo.:V3412 FCCID:2AIQW-V3400 Equipmenttype:fixedequipment 1.Limits Thecriterialistedinthefollowingtableshallbeusedtoevaluatetheenvironmentimpactof humanexposuretoradiofrequency(RF)radiationasspecifiedin1.1307(b) LimitsforMaximumPermissibleExposure(MPE) F=frequencyinMHz Formula:Pd=(Pout*G)/(4*π*r 2 ) Where: Pd=powerdensityinmW/cm 2 , Pout=outputpowertoantennainmW; G=gainofantennainlinearscale, π=3.14; R=distancebetweenobservationpointandcenteroftheradiatorincm PdidthelimitofMPE,1mW/cm2.Ifweknowthemaximumgainoftheantennaandthetotal powerinputtotheantenna,throughthecalculation,wewillknowthedistancerwheretheMPE limitisreached. 2.TestProcedure SoftwareprovidedbyclientenabledtheEUTtotransmitandreceivedataatlowest,middleand highestchannelindividually. Page2of2ReportNo.:FCS202304198 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.FCS-lab.com 3.TestResultofRFExposureEvaluation BT Modulation Channel Freq. (MHz) Conduct edpower (dBm) Max tune-up power (mW) Antenna Gain (dBi) Antenna gainnumeric Evaluation result (mW/cm2) Power density Limits (mW/cm2) GFSK 24023.752.370.981.250.0005891 24413.57 2.27 0.981.250.0005651 24803.60 2.29 0.981.250.0005691 BLE Modulation Channel Freq. (MHz) Conduct edpower (dBm) Max tune-up power (mW) Antenna Gain (dBi) Antenna gainnumeric Evaluation result (mW/cm2) Power density Limits (mW/cm2) GFSK 24023.702.340.981.250.0005821 24403.65 2.32 0.981.250.0005771 24803.68 2.33 0.981.250.0005791 0589

Product specification Quick Reference Date Antenna module on the system board Antenna type PCB Frequency 2400MHz-2500MHz Gain (dBi) 0.98 (Peak Gain X Z-plane) Antenna Layout & module on the system board Return Loss 3D radiation pattern diagram

FCCTestReport ReportNo:FCS202304198W02 Issuedfor Applicant:NingboTonwelAudioCo.,LTD Address: No.28,XiyiRoad,JiangshanTown,Yinzhou,Ningbo, China ProductName: ACTIVESPEAKER BrandName: N/A ModelName: V3412 SeriesModel: V3415 FCCID: 2AIQW-V3400 IssuedBy:FluxComplianceServiceLaboratory Add:Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-Tech Industrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.FCS-lab.com Page 2 of40ReportNo.:FCS202304198W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.FCS-lab.com TESTRESULTCERTIFICATION Applicant’sName......................: NingboTonwelAudioCo.,LTD Address......................................: No.28,XiyiRoad,JiangshanTown,Yinzhou,Ningbo, China Manufacture'sName................: NingboTonwelAudioCo.,LTD No.28,XiyiRoad,JiangshanTown,Yinzhou,Ningbo, China Address ...................................... : NingboTonwelAudioCo.,LTD ProductDescription ProductName...........................:ACTIVESPEAKER BrandName...............................:N/A ModelName .............................. :V3412 SeriesModel..............................:V3415 TestStandards..........................:FCCRulesandRegulationsPart15SubpartC,Section247 TestProcedure .......................... :ANSIC63.10:2013 ThisdevicedescribedabovehasbeentestedbyFluxComplianceServiceLaboratory,thetestresults showthattheequipmentundertest(EUT)isincompliancewiththeFCCrequirements.Anditis applicableonlytothetestedsampleidentifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofFluxCompliance ServiceLaboratory,thisdocumentmaybealteredorrevisedbyFluxComplianceServiceLaboratory, personalonly,andshallbenotedintherevisionofthedocument.. DateofTest .................................. : Date(s)ofperformanceoftests . :Apr4,2023~May6,2023 DateofIssue.................................:May6,2023 TestResult....................................:Pass Testedby: (ScottShen) Reviewedby : (DukeQian) Approvedby: (JackWang) Page 3 of40ReportNo.:FCS202304198W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.FCS-lab.com TableofContentsPage 1.SUMMARYOFTESTRESULTS..............................................................................................6 1.1TESTFACTORY................................................................................................................7 1.2MEASUREMENTUNCERTAINTY....................................................................................7 2.GENERALINFORMATION......................................................................................................8 2.1GENERALDESCRIPTIONOFTHEEUT.........................................................................8 2.2BLOCKDIGRAMSHOWINGTHECONFIGURATIONOFSYSTEMTESTED.............10 2.3DESCRIPTIONOFNECESSARYACCESSORIESANDSUPPORTUNITS................11 2.4EQUIPMENTSLIST.........................................................................................................12 3.CONDUCTEDEMISSIONMEASUREMENT.........................................................................13 4.6DBBANDWIDTH..................................................................................................................17 4.1Limit..................................................................................................................................17 4.2TestProcedure.................................................................................................................17 4.3Testsetup.........................................................................................................................17 4.4Testresults.......................................................................................................................17 4.5OriginalTestData............................................................................................................18 5.CONDUCTEDOUTPUTPOWER...........................................................................................21 5.1LIMIT................................................................................................................................21 5.2TESTPROCEDURE........................................................................................................21 5.3TESTSETUP...................................................................................................................21 5.5TESTRESULTS..............................................................................................................21 6.BANDEDGEANDSPURIOUS(CONDUCTED)....................................................................22 6.1LIMIT................................................................................................................................22 6.2TESTPROCEDURE........................................................................................................22 6.3TESTSETUP...................................................................................................................22 6.4TESTRESULTS..............................................................................................................23 6.5Originaltestdata..............................................................................................................23 7.POWERSPECTRALDENSITY..............................................................................................26 7.1LIMIT................................................................................................................................26 7.2TESTPROCEDURE........................................................................................................26 7.3TESTSETUP................................................................................................................…

Text truncated - open the document above for the full version.

Page 1 of2ReportNo.:FCS202304198 Blow1GHzforradiatedemissiontestsetup Above1GHzforradiatedemissiontestsetup Page 2 of2ReportNo.:FCS202304198 Conductedemissiontestsetup