2A86Y-TG264Bluetooth speaker

Shenzhenchengtaielectronicandtechnologyco.,LTD 6thFloor,BuildingC,QinyuIndustrialZone,Sanwei,SanweiCommunity,HangchengStreet,Baoan District,Shenzhen AttestationStatements NotCoveredEntityApplicant&NotCoveredEquipment To:FederalCommunicationsCommissionDate:Aug.15,25 7435OaklandMillsRoad, Columbia,MD21046,USA Ref:InformationRequiredbySection2.911(d)(5)(i)&(ii) FCCID:2A86Y-TG264 Shenzhenchengtaielectronicandtechnologyco.,LTD(“theapplicant”)certifiesthat,asofthedateof thefilingoftheapplication,theapplicantisnotidentifiedontheCoveredList,establishedpursuantto§ 1.50002ofreferencechapter,asanentityproducing“covered”communicationequipment.The equipmentforwhichauthorizationissoughtisnot“covered”telecommunicationsequipmentandvideo surveillanceequipmentproducedbyentitiesidentifiedontheCommission’sCoveredListthatprohibited fromreceivinganequipmentauthorizationpursuanttosection§2.903oftheFCCrules. Sincerelyyours, ApplicantSignature PrintedName:FangRuan Title:Manager Address:6thFloor,BuildingC,QinyuIndustrialZone,Sanwei,SanweiCommunity,HangchengStreet,Baoan District,Shenzhen Tel.:+8617093468875 Email:[email protected]

Shenzhenchengtaielectronicandtechnologyco.,LTD 6thFloor,BuildingC,QinyuIndustrialZone,Sanwei,SanweiCommunity,HangchengStreet,Baoan District,Shenzhen 1|Page AttestationStatements To:FederalCommunicationsCommissionDate:Aug.15,25 7435OaklandMillsRoad, Columbia,MD21046,USA Subject:AttestationofCompliancewithFCCCoveredListSoftwareRequirements FCCID:[2A86Y-TG264] ProductName:[Bluetoothspeaker] Thisletterservesasanattestationthattheequipmentidentifiedabove☐is/☒isnot(selectone)"covered" softwareasdefinedundertheFederalCommunicationsCommission(FCC)CoveredListrequirements,as outlinedinFCC22-84andKDB986446. Specifically,theundersignedcertifiesthattheequipmentforwhichauthorizationissought: 1.Doesnotcontaincybersecurityoranti-virussoftwareproducedorprovidedbyKasperskyLab, Inc.oranyofitssuccessors,assignees,parents,subsidiaries,affiliates,oranyentitythathasrebranded orrelabeledsoftwareproducedbytheaforementionedentities. 2.Doesnothavethecapabilitytostore,run,ordeliveranysoftwareidentifiedontheFCCCoveredList, includingbutnotlimitedtocybersecurityandanti-virussoftware. Tosupportthisattestation,theappendixevaluationdocumentationhasbeenpreparedandisincludedinthe certificationfiling. Thisattestationisbasedonathoroughevaluationofthedevice'sdesign,functionality,andsoftware environment.Theundersignedaffirmsthattheinformationprovidedisaccurateandcompletetothebestof theirknowledge. Sincerelyyours, ApplicantSignature PrintedName:FangRuan Title:Manager Address:6thFloor,BuildingC,QinyuIndustrialZone,Sanwei,SanweiCommunity,HangchengStreet,Baoan District,Shenzhen Tel.:+8617093468875 Email:[email protected] Shenzhenchengtaielectronicandtechnologyco.,LTD 6thFloor,BuildingC,QinyuIndustrialZone,Sanwei,SanweiCommunity,HangchengStreet,Baoan District,Shenzhen 2|Page EvaluationregardingtotheCoveredListSoftware: Compliance Methodology EvaluationProcessResults Deviceis Inherent compliance ☒ TheChipset(s)usedislimitedtorun theCybersecurityoranti-virus software. TheMCU“compliance“,TheRF chip“compliance“don’tsupport thementionedfunction. ☒ TheMemoryusedislimitedtorunthe Cybersecurityoranti-virussoftware. Thememorysizeiscompliance, sodon’tsupportthementioned function. ☒ Thereisstoragecapacitylimitationfor storeorinstalltheCybersecurityor anti-virussoftware. Thestoragecapacityis compliance,sodon’tsupportthe mentionedfunction. ☒ Operatingsystemusedislimitedto run,installordelivertheCybersecurity oranti-virussoftware. TheOperatingsystem “compliance“don’tsupportthe mentionedfunction. Deviceisnot Inherent compliance ☐ EvaluationBasedonSoftware BillofMaterials(SBoM) Seeattached“SBoM“ Note:TheSBoMcontentislimited tothescopeofcoveredlist software(e.g.antivirusand cybersecuritysoftware). ☐ EvaluationBasedonScanfor Softwareonthedevice ☐ EvaluationBasedonFilesystemscan ☐ EvaluationBasedonRunning softwarecheck SBOM(SoftwareBillofMaterials)[ForDeviceisnotInherentcompliance] SectionComponentNameVersionSupplier 1 2 3

Shenzhenchengtaielectronicandtechnologyco.,LTD 6thFloor,BuildingC,QinyuIndustrialZone,Sanwei,SanweiCommunity,HangchengStreet,Baoan District,Shenzhen U.S.AgentLetterofAttestation To:FederalCommunicationsCommission 7435OaklandMillsRoad,Columbia,MD21046,USA Date:Aug.18,25 Ref:AttestationStatement–Part2.911(d)(7)filing FCCID:[2A86Y-TG264] [Shenzhenchengtaielectronicandtechnologyco.,LTD](“theapplicant”)certifiesthat,asofthe dateofthefilingoftheapplication,[LEEDARSONAMERICAINC.](“theagent”)isourdesignated U.S.agentforserviceofprocessfortheabovereferenceFCCID.Theapplicantacceptstomaintain anagentforserviceofprocessintheUnitedStatesfornolessthanoneyearaftereitherthe granteehaspermanentlyterminatedallmarketingandimportationoftheapplicableequipment withintheU.S.,ortheconclusionofanyCommission-relatedadministrativeorjudicialproceeding involvingtheequipment,whicheverislater.Theapplicantfurtheracknowledgesitisour responsibilitytoinformtheFCCwhenevertheagentinformationchanges. [LEEDARSONAMERICAINC.]("theagent)understanditistheagent'sobligationtoacceptservice ofprocessintheUnitedStatesformattersrelatedtotheapplicableequipment,andatthephysical U.S.addressandemailaddress. DesignatedU.S.Agent CompanyName:LEEDARSONAMERICAINC. FRN:0033657479 GC:/ Address:300TechnologyCTSuite100,SmyrnaGA. TheUSA.30082 Signature: ContactPerson:JoeChen Tel:(404)401-4544Email:[email protected] Applicant CompanyName:Shenzhenchengtaielectronicandtechnologyco.,LTD FRN:0033044058 Address:6thFloor,BuildingC,QinyuIndustrialZone,San wei,SanweiCommunity,HangchengStreet,Baoan District,Shenzhen Signature: ContactPerson:FangRuan Tel:+8617093468875Email:[email protected]

Shenzhenchengtaielectronicandtechnologyco.,LTD 6thFloor,BuildingC,QinyuIndustrialZone,Sanwei,SanweiCommunity,HangchengStreet,Baoan District,Shenzhen (August15,2025) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:ConfidentialityRequestfor:FCCID:2A86Y-TG264 PursuanttoSections0.457and0.459oftheCommission’sRules,weherebyrequestpermanent confidentialtreatmentoftheexhibitsaccompanyingthiscertificationapplicationasoutlinedbelow: BlockDiagram  Schematics  OperationalDescription Theaboveexhibitscontaintradesecretsand/orproprietaryinformationthatarenotpubliclyavailableand materialsthattheApplicanthasspentconsiderableeffortsindeveloping.Publicdisclosureofthesemay beharmfultotheApplicantandgiveanunfairadvantagetocompetitorsonthemarket. PursuanttoDA04-1705,theapplicantalsorequeststemporaryconfidentialtreatmentoftheexhibits outlinedbelowforaperiodof(upto180)daysfromthedateofequipmentauthorizationandpriorto marketingintheUnitedStatestopreventtheprematurereleaseofanysensitiveinformation.Applicantis awareoftheirresponsibilitytonotifyDERYCOMintheeventinformationregardingtheproductorthe productismadeavailabletothepublicbeforetherequestedperiodhasexpired. UserManual InternalPhotos ExternalPhotos  TestSetupPhotos (Etc.) Sincerely, (Signature) PrintedName:FangRuan Title:Manager Address:6thFloor,BuildingC,QinyuIndustrialZone,Sanwei,SanweiCommunity,HangchengStreet,Baoan District,Shenzhen Tel.:+8617093468875 Email:[email protected]

Shenzhenchengtaielectronicandtechnologyco.,LTD 6thFloor,BuildingC,QinyuIndustrialZone,Sanwei,SanweiCommunity,HangchengStreet,Baoan District,Shenzhen (August15,2025) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:AgentAuthorizationforFCCID:2A86Y-TG264 I,theundersigned,herebyauthorize(MAXLABTestingCo.,Ltd.)toactonourbehalfinallmattersrelating tothisapplicationforequipmentcertification. Anyactcarriedoutby(MAXLABTestingCo.,Ltd.)shallhavethesameeffectasourownandI acknowledgethatallresponsibilityforcomplyingwiththetermsandconditionsofcertification,as specifiedbyDERYCOMCERTIFICATIONSERVICES,INC.,stillresideswith(Shenzhenchengtai electronicandtechnologyco.,LTD). WecertifythatwearenotsubjecttoadenialoffederalbenefitsthatincludesFCCbenefitspursuantto Section5301oftheAnti-DrugAbuseActof1988,21U.S.C.§862,andthatnopartytotheapplication,as definedin47CFR§1.2002(b),issubjecttoadenialoffederalbenefitsthatincludesFCCbenefits pursuanttothatsection. Sincerely, (Signature) PrintedName:FangRuan Title:Manager Address:6thFloor,BuildingC,QinyuIndustrialZone,Sanwei,SanweiCommunity,HangchengStreet,Baoan District,Shenzhen Tel.:+8617093468875 Email:[email protected]

FCCIDLABELINGANDLOCATION FCCIDLabel FCCIDLabelLocation Thelabelshownshallbepermanentlyaffixedataconspicuouslocationonthedeviceandbe readilyvisibletotheuseratthetimepurchase(Labelingrequirementsper2.925) Bluetoothspeaker FCCID:2A86Y-TG264

MAXLABTestingCo.,Ltd.ReportNo.:MAX25080412P01-R01RF RFTESTREPORT ReportReferenceNo........................:MAX25080412P01-R01RF FCCID. ................................................ :2A86Y-TG264 Compiledby (position+printedname+signature)..: Engineer/CindyZheng Supervisedby (position+printedname+signature) .. : Manager/HaleyWen Approvedby (position+printedname+signature) .. : RFManager/VivianJiang Dateofissue ......................................... :August7,2025 TestingLaboratoryName ................ :MAXLABTestingCo.,Ltd. Address.................................................: 1/F,BuildingB,XinshidaiGRPark,ShiyanStreet,Bao'anDistrict, Shenzhen,Guangdong,518052,People’sRepublicofChina Applicant’sname...............................: Shenzhenchengtaielectronicandtechnologyco.,LTD Address ................................................. : 6thFloor,BuildingC,QinyuIndustrialZone,Sanwei,Sanwei Community,HangchengStreet,BaoanDistrict,Shenzhen Testspecification .............................. : Standard ................................................ :KDB447498D01GeneralRFExposureGuidancev06 MAXLABTestingCo.,Ltd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongasthe MAXLABTestingCo.,Ltd.isacknowledgedascopyrightownerandsourceofthematerial.MAXLABTesting Co.,Ltd.takesnoresponsibilityforandwillnotassumeliabilityfordamagesresultingfromthereader's interpretationofthereproducedmaterialduetoitsplacementandcontext. Testitemdescription........................: Bluetoothspeaker TradeMark............................................: N/A Manufacturer.........................................: Shenzhenchengtaielectronicandtechnologyco.,LTD Model/Typereference ......................... : TG-264 ListedModels ...................................... : N/A Modulation...........................................:GFSK,Π/4DQPSK,8DPSK Frequency..............................................From2402MHzto2480MHz Rating ..................................................... :DC3.7VfrombatteryorDC5.0VfromUSBPort Result.....................................................:PASS MAXLABTestingCo.,Ltd.ReportNo.:MAX25080412P01-R01RF RFEXPOSUREEVALUATIONMETHOD AccordingtoFCC1.1310:Thecriterialistedinthefollowingtableshallbeusedto evaluatetheenvironmentimpactofhumanexposuretoradiofrequency(RF)Radiation asspecifiedin§1.1307(b) AccordingtoKDB447498D01GeneralRFExposureGuidancev06,Unlessspecificallyrequiredbythe publishedRFexposureKDBprocedures,standalone1-gheadorbodyand10-gextremitySARevaluation forgeneralpopulationexposureconditions,bymeasurementornumericalsimulation,isnotrequiredwhen thecorrespondingSARTestExclusionThresholdcondition(s),listedbelow,is(are)satisfied. EU TSpecification Frequencyband(Operating)WLAN:2.412GHz~2.462GHz WLAN:5.150GHz~5.250GHz WLAN:5.725GHz~5.850GHz OthersBT:2402-2480MHz DevicecategoryPortable(<20cmseparation) Mobile(>20cmseparation) Others ExposureclassificationOccupational/Controlledexposure(S=5mW/cm 2 ) GeneralPopulation/Uncontrolledexposure(S=1mW/cm 2 ) AntennadiversitySingleantenna Multipleantennas Txdiversity Rxdiversity Tx/Rxdiversity Max.outputpower -0.15dBm(0.00097W) Antennagain(Max)1.9dBi EvaluationappliedMPEEvaluation SAREvaluation MAXLABTestingCo.,Ltd.ReportNo.:MAX25080412P01-R01RF RFEXPOSUREEVALUATIONMETHOD SARTestExclusionThresholdsfor100MHz–6GHzand≤50mm ApproximateSARTestExclusionPowerThresholdsatSelectedFrequenciesandTestSeparation DistancesareillustratedinthefollowingTable. The1-gand10-gSARtestexclusionthresholdsfor100MHzto6GHzattestseparationdistances≤50 mmaredeterminedby: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f(GHz)]≤3.0for1-gSARand≤7.5for10-gextremitySAR,where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50mmandfor transmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmisappliedtodetermineSARtestexclusion. MAXLABTestingCo.,Ltd.ReportNo.:MAX25080412P01-R01RF Themax.fieldstrengthoffundamentalfrequencyis95.01dBuv/m. Operating Mode Fieldstrength EIRPMax tune-up Antenna Gain min.test separation distance ResultLimit (dBuV/m@3)(dBm)(mW)(dBi)(mm) GFSK95.01-0.150.972.5050.29943 EIRP=E Meas +20log(d Meas )-104.7 EIRPistheequivalentisotropicallyradiatedpower,indBm E Meas isthefieldstrengthoftheemissionatthemeasurementdistance,indBuV/m d Meas isthemeasurementdistance,inm The1-gand10-gSARtestexclusionthresholdsfor100MHzto6GHzattestseparation distances≤50mmaredeterminedby: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparation distance,mm)]·[√f(GHz)] ThetestResultislessthan3.0for1-gSARand≤7.5for10-gextremitySAR. Conclusion:NoSARisrequired.

Product specification Quick Reference Date Antenna module on the system board Frequenc Range 2400 ~ 2500MHz Ant. Port Input Pwr. (dBm) 0 (Typ. BT class 2 output power) Tot. Rad. Pwr. (dBm) -1.2 (Input pwr – loss pwr) Peak(dBm) 1.9 Directivity (dBi) 1 (all direction antenna) Efficiency (dB) 6 0.2 % Gain (dBi) 1.2 (Avg Gain XY-plane) Maximum Power (dBm) 1.7 (XY-plane) Minimum Power (dBm) -4(XY-plane) Avg. Power (dBm) -0.5(XY-plane) Input Impendence(ohm) 50 Polarization Type V ertical & Horizontal V . S .W . R < 1.4 All the technical data and information contained herein are subject to ch ange without prior notice Antenna Layout & module on the system board Antenna Gain Gain Table Unit in dBi @2.44GHz XY-plane XZ-plane YZ-plane Efficiency Peak Avg. Peak Avg. Peak Avg. Module Board 1.2 -0.51.9 -3.61.1 -3.06 0.2 % Manufacturer: Shenzhen chengtai electronic and technology co.,LTD Address: 6thFloor,BuildingC,QinyuIndustrialZone,Sanwei,Sanwei Community,Hangcheng Street,Baoan District,Shenzhen Retum Loss The Environment of Antenna Radiation Pattem 3D radiation pattern diagram XY-plane XZ-plane YZ-plane

Page 1 of30 MAXLABTestingCo.,Ltd. ReportNo.:MAX25080412P01-R01 FCCPART15SUBPARTCTESTREPORT FCCPART15.249 ReportReferenceNo. ....................... :MAX25080412P01-R01 FCCID.................................................:2A86Y-TG264 Compiledby (position+printedname+signature)..: Engineer/CindyZheng Supervisedby (position+printedname+signature) .. : Manager/HaleyWen Approvedby (position+printedname+signature)..: RFManager/VivianJiang Dateofissue ......................................... :August7,2025 TestingLaboratoryName ................ :MAXLABTestingCo.,Ltd. Address.................................................: 1/F,BuildingB,XinshidaiGRPark,ShiyanStreet,Bao'anDistrict, Shenzhen,Guangdong,518052,People’sRepublicofChina Applicant’sname ............................... : Shenzhenchengtaielectronicandtechnologyco.,LTD Address.................................................: 6thFloor,BuildingC,QinyuIndustrialZone,Sanwei,Sanwei Community,HangchengStreet,BaoanDistrict,Shenzhen Testspecification..............................: Standard................................................: FCCPart15.249 ANSIC63.10:2020 MAXLABTestingCo.,Ltd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongasthe MAXLABTestingCo.,Ltd.isacknowledgedascopyrightownerandsourceofthematerial.MAXLAB TestingCo.,Ltd.takesnoresponsibilityforandwillnotassumeliabilityfordamagesresultingfromthe reader'sinterpretationofthereproducedmaterialduetoitsplacementandcontext. Testitemdescription ........................ : Bluetoothspeaker TradeMark............................................: N/A Manufacturer ......................................... : Shenzhenchengtaielectronicandtechnologyco.,LTD Model/Typereference.........................: TG-264 ListedModels......................................: N/A Modulation...........................................:GFSK,Π/4DQPSK,8DPSK Frequency .............................................. From2402MHzto2480MHz Rating.....................................................:DC3.7VfrombatteryorDC5.0VfromUSBPort Result.....................................................:PASS Page 2 of30 MAXLABTestingCo.,Ltd. ReportNo.:MAX25080412P01-R01 TESTREPORT EquipmentunderTest:Bluetoothspeaker Model/Type:TG-264 ListedModels:N/A ModelDeclaration:N/A Applicant : Shenzhenchengtaielectronicandtechnologyco.,LTD Address: 6thFloor,BuildingC,QinyuIndustrialZone,Sanwei,Sanwei Community,HangchengStreet,BaoanDistrict,Shenzhen Manufacturer : Shenzhenchengtaielectronicandtechnologyco.,LTD Address:6thFloor,BuildingC,QinyuIndustrialZone,Sanwei,Sanwei Community,HangchengStreet,BaoanDistrict,Shenzhen TestResult:PASS Thetestreportmerelycorrespondstothetestsample. Itisnotpermittedtocopyextractsofthesetestresultwithoutthewrittenpermissionofthetest laboratory. Page 3 of30 MAXLABTestingCo.,Ltd. ReportNo.:MAX25080412P01-R01 Contents 1TESTSTANDARDS ........................................................................................................................................... 4 2SUMMARY................................................................................................................................................................5 2.1GeneralRemarks.........................................................................................................................................................5 2.2ProductDescription...................................................................................................................................................5 2.3EquipmentUnderTest...............................................................................................................................................5 2.4ShortdescriptionoftheEquipmentunderTest(EUT) ..................................................................................... 5 2.5EUToperationmode ................................................................................................................................................... 6 2.6BlockDiagramofTestSetup...................................................................................................................................6 2.7RelatedSubmittal(s)/Grant(s)...............................................................................................................................6 2.8Modifications................................................................................................................................................................6 3TESTENVIRONMENT.....................................................................................................................................7 3.1Addressofthetestlaboratory ................................................................................................................................. 7 3.2TestFacility ................................................................................................................................................................... 7 3.3Environmentalconditions.........................................................................................................................................7 3.4Summaryofmeasurementresults.........................................................................................................................8 3.5Statementofthemeasurementuncertainty........................................................................................................8 3.6EquipmentsUsedduringtheTest..........................................................................................................................9 4TESTCONDITIONSANDRESULTS ................................................................................................ 11 4.1ACPowerConductedEmission ............................................................................................................................ 11 4.2RadiatedEmission..............................................................…

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