2BWUF-T35CT35C

THIENTHANHDATJSC Address：32BINHLONGSTREET,PHUTHANHWARD,HOCHIMINH CITY,700000VIETNAM FRN:0038602942 Date:2026-07-02 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Ref:AttestationStatementsPart2.911(d)(7)Filing SUBJECT:FCCApplicationforFCCID:2BWUF-T35C THIENTHANHDATJSCcertifiesthat,asofthedateofthefilingoftheapplication,XINNAISI INCisourdesignatedU.S.agentforserviceofprocessfortheabovereferencedFCCID. THIENTHANHDATJSCacceptstomaintainanagentfornolessthanoneyearafterthe granteehasterminatedallmarketingandimportationortheconclusionofanyCommission- relatedproceedinginvolvingtheequipment. XINNAISIINCaccepts,asofthedateofthefilingoftheapplication,theobligationofthe designatedU.S.agentforserviceofprocessfortheabovereferencedFCCID. DesignatedU.S.AgentInformation: Name:XINNAISIINC Address:1500NGRANTSTSTER,DENVER,CO80203 FRN:0037518289 ContactPerson:KiKi Tel.:+01(951)893-3011 Email:[email protected] Sincerely, Signedonbehalfof THIENTHANHDATJSC SignedonbehalfofXINNAISIINC Name:Name: Title:ManagerTitle:Manager Date:2026-07-02Date:2026-07-02

Rev9/15/2025 THIENTHANHDATJSC FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:Jun.29,2026 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID:2BWUF-T35C THIENTHANHDATJSCcertifiesthattheequipmentforwhichauthorizationissoughtisnot“covered” equipmentprohibitedfromreceivinganequipmentauthorizationpursuanttosection2.903oftheFCC rules. THIENTHANHDATJSCcertifiesthattheequipmentforwhichauthorizationissoughtdoesnotinclude cybersecurityoranti-virussoftwareproducedorprovidedbyKasperskyLab,Inc.oranyofitssuccessors andassignees,includingequipmentwithintegratedKasperskyLab,Inc.(oranyofitssuccessorsand assignees)cybersecurityoranti-virussoftwarepursuanttoDA-24-886andKDB986446D01Covered EquipmentGuidancesectionB(2a). █Deviceisinherentlycompliantbasedonhardwarelimitationsorsoftwarecontrols. or ASoftwareBillofMaterials(SBOM)isprovidedtotheTCBforreview,and Theend-userorthirdpartiescannotinstalladditionalsoftwareonthisdevice. Sincerely, XIAOLU THIENTHANHDATJSC Rev9/15/2025 THIENTHANHDATJSC FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:Jun.29,2026 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID:2BWUF-T35C THIENTHANHDATJSCcertifiesthat,asofthedateofthefilingoftheapplication,theapplicantisnot identifiedontheCoveredList(asaspecificallynamedentityoranyofitssubsidiariesoraffiliates)asan entityproducing“covered”equipment. Sincerely, XIAOLU THIENTHANHDATJSC

THIENTHANHDATJSC Date：Jun.16,2026 ProductModelNumber:T35C/T35C FCCID：2BWUF-T35C Towhomitmayconcern, Re:ProductCertificationRepresentativeAuthorizationLetter WeauthorizeQAILaboratoriesLtd.3980NorthFraserWay,BurnabyB.C. CanadaV5J5K5toactonourbehalfonallmattersconcerningtheabove namedequipment. Thisshallincludethefollowing: Testing Approvalapplicationsandprocedures WedeclarethatQAILaboratoriesLtd.isallowedtoforwardallinformation relatedtotheapprovalprojecttotheappliedcertificationbodyandtothe notificationentitiesandtodiscussanyissuesconcerningtheapproval application.AnyandallactscarriedoutbyQAILaboratoriesLtd.onour behalfshallhavethesameeffectasactsofourown. By: ContactListedonFCCWesbite Title:XIAOLU Email:[email protected] Telephone:18122050760 Onbehalfof:THIENTHANHDATJSC

THIENTHANHDATJSC OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:June29,2026 Subject;RequestforConfidentiality FCCID:2BWUF-T35C ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthese documentsmightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantage inthemarket. █SchematicDiagram █BlockDiagram PartsList █OperationalDescription Tune-upProcedure SoftwareSecurityRequirementsforUNIIdevices Inadditionaltoabovementioneddocuments,inordertocomplywiththemarketingregulations inTitle47CFR§2.803andtheimportationrulesinTitle47CFR§2.1204,whileensuringthat businesssensitiveinformationremainsconfidentialuntiltheactualmarketingofnewly authorizeddevices,werequestShortTermConfidentialityofthefollowingattachment(s); ExternalPhotos █TestSetupPhotos █InternalPhotos █UserManual █For45days,pursuanttoPublicNoticeDA04-1705. OR For180dayspursuanttoKDB726920D01. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondenceduringthecertificationreviewprocesscannotbegrantedasconfidential documentsandthisinformationwillbeavailableforpublicreviewoncethegrantofequipment authorizationisissued. Sincerely, Signature: Name:XIAOLU Title:Manager

Externalphotos ShenzhenATATestingLab.Inc 4thFloor,Building10,No.60NanchangRoad,NanchangCommunity,XixiangStreet,Bao'anDistrict,ShenzhenCity,Guangdong,China TEL:+860755-82828582Fax:+860755-82828582E-mail:[email protected]:www.certata.com Photo1 Photo2 Externalphotos ShenzhenATATestingLab.Inc 4thFloor,Building10,No.60NanchangRoad,NanchangCommunity,XixiangStreet,Bao'anDistrict,ShenzhenCity,Guangdong,China TEL:+860755-82828582Fax:+860755-82828582E-mail:[email protected]:www.certata.com Photo3 Photo4 Externalphotos ShenzhenATATestingLab.Inc 4thFloor,Building10,No.60NanchangRoad,NanchangCommunity,XixiangStreet,Bao'anDistrict,ShenzhenCity,Guangdong,China TEL:+860755-82828582Fax:+860755-82828582E-mail:[email protected]:www.certata.com Photo5 Photo6

FCCID:2BWUF-T35C FCCLabelSample FCCLabelSpecifications TextisBlackincolorandisjustified.Labelsareprintedinindelibleinkonpermanent adhesivebackingorsilk-screenedontotheEUTorshallbeaffixedataconspicuouslocation ontheEUT.WheretheEUTisconstructedintwoormoresectionsconnectedbywiresand marketedtogether,theabovestatementisrequiredtobeaffixedonlytothemaincontrol unit.WhentheEUTissosmallorforsuchusethatitisnotpracticabletoplacethestatement onit,theaboveinformationshallbeplacedinaprominentlocationintheinstructionmanual orpamphletsuppliedtotheuseror,alternatively,shallbeplacedonthecontainerinwhich thedeviceismarketed. FCCLabelLocation Size:8mm*4mm LabelLocation Size:8mm*4mm FCCID:2BWUF-T35C

FCCID:2BWUF-T35C RFExposureEvaluation AccordingtoKDB447498D01GeneralRFExposureGuidancev06andpart2.1093，Unlessspecifically requiredbythepublishedRFexposureKDBprocedures,standalone1-gheadorbodyand10-g extremitySARevaluationforgeneralpopulationexposureconditions,bymeasurementornumerical simulation,isnotrequiredwhenthecorrespondingSARTestExclusionThresholdcondition(s),listed below,is(are)satisfied. For100MHzto6GHzandtestseparationdistances≤50mm,the1-gand10-gSARtestexclusion thresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f(GHz)]≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison Here, ThedevicehasbeenevaluatedtomeetgeneralRFexposurerequirement.Thedevicecanbeusedin portableexposureconditionwithoutrestriction. ForWirelessmicrophone Max Conducted Power(dBm) Tune-up Power(dBm) Max Tune-up Power(dBm) Max Power(W)Frequency(MHz) Min. distance(mm) Calc. thresholds limit 11.7111.71(±1)12.000.015849658.25 2.5716 3.0 SoaSARtestisnotrequired

ANTReport Manufacturer:YXElectronicTechnologyCo.,Ltd Add:No.18NorthStreet,Dawobu,XinyaStreet,HuaduDistrict, Guangzhoucity,510800,China Model:PHOTO Date:April10,2026 Versions:V1.0 Antennaspecifications:Totallength:20MM,Diameter:15MM Frequencyrange VSW 640-690MHz R ≤ 7.0 Inputimpedance 50Ω PeakGain(dBi) Antennatyp 5.15 eMetalmaterialspring Temperature-40~80 Frequency(MHz)ReturnLossVSWR 657-8.171.13 660-10.791.15 663-10.311.16 (Performance Parameter) Horizontal+Vertical Frequency 640MHz 665MHZ 690MHz Ant. Port Inp. Pow. (dBi) 0 0 0 Rad. Pow. (dBi) -3.68 -3.68 -4.05 Rad. Pow. 0-90 (dBi) -12.61 -12.61 -13.75 Rad. Pow. 90-180 (dBi) -4.91 -4.91 -5.11 Peak EIRP (dBi) 1.28 1.28 1.18 Directivity (dBi) 4.96 4.96 5.23 Efficiency (dB) -3.68 -3.68 -4.05 Efficiency (%) 42.85 42.85 39.36 Gain (dBi) 4.78 4.78 5.15 NHPRP +/-30 (dBi) -9.82 -9.82 -10.69 NHPRP +/-45 (dBi) -7.39 -7.39 -8.07 Maximum H+V Value (dBi) 1.28 1.28 1.18 Maximum H+V @ Theta (deg.) 150 150 150 Maximum H+V @ Phi (deg.) 210 210 210 Minimum H+V Value (dBi) -18.85 -18.85 -19.94 Minimum H+V @ Theta (deg.) 0 0 60 Minimum H+V @ Phi (deg.) 60 60 240 Horizontal Ant. Port Inp. Pow. (dBi) 0 0 0 H Rad. Pow. (dBi) -3.96 -3.96 -4.36 H Rad. Pow. 0-90 (dBi) -13.3 -13.3 -14.57 H Rad. Pow. 90-180 (dBi) -5.1 -5.1 -5.33 H Peak EIRP (dBi) 1.24 1.24 1.13 H Directivity (dBi) 5.2 5.2 5.49 H Efficiency (dB) -3.96 -3.96 -4.36 H Efficiency (%) 40.18 40.18 36.64 H Gain (dBi) 1.24 1.24 1.13 H NHPRP +/-30 (dBi) -10.25 -10.25 -11.12 H NHPRP +/-45 (dBi) -7.77 -7.77 -8.47 Maximum H Value (dBi) 1.24 1.24 1.13 Maximum H @ Theta (deg.) 150 150 150 Maximum H @ Phi (deg.) 210 210 210 Minimum H Value (dBi) -22.97 -22.97 -24.66 Minimum H @ Theta (deg.) 180 180 180 Minimum H @ Phi (deg.) 300 300 120 Vertical Ant. Port Inp. Pow. (dBi) 0 0 0 V Rad. Pow. (dBi) -15.63 -15.63 -15.67 V Rad. Pow. 0-90 (dBi) -20.94 -20.94 -21.36 V Rad. Pow. 90-180 (dBi) -18.65 -18.65 -18.08 V Peak EIRP (dBi) -9.1 -9.1 -8.66 V Directivity (dBi) 6.53 6.53 7.01 V Efficiency (dB) -15.63 -15.63 -15.67 V Efficiency (%) 2.74 2.74 2.71 V Gain (dBi) -9.1 -9.1 -8.66 V NHPRP +/-30 (dBi) -20.16 -20.16 -20.99 V NHPRP +/-45 (dBi) -18.07 -18.07 -18.65 Maximum V Value (dBi) -9.1 -9.1 -8.66 Maximum V @ Theta (deg.) 120 120 120 Maximum V @ Phi (deg.) 120 120 120 Minimum V Value (dBi) -27.15 -27.15 -35.48 Minimum V @ Theta (deg.) 0 0 120 Minimum V @ Phi (deg.)

Add:4thFloor,Building10,No.60NanchangRoad,NanchangCommunity,XixiangStreet,Bao'anDistrict,ShenzhenCity,Guangdong,People's RepublicofChina Tel:+860755-82828582Mobilephone:+8613728818899E-mail:[email protected]:www.certata.com TESTREPORT ReportNo............................................:ATA2604304E FCCID······································:2BWUF-T35C Applicant .............................................. :THIENTHANHDATJSC Address.............................................: 32BINHLONGSTREET,PHUTHANHWARD,HOCHIMINH CITY,700000VIETNAM Manufacturer......................................: THIENTHANHDATJSC Address.............................................: 32BINHLONGSTREET,PHUTHANHWARD,HOCHIMINH CITY,700000VIETNAM ProductName ..................................... :T35C TradeMark ............................................ :N/A TestModel.............................................:T35C Standard..............................................:FCCCFRTitle47Part15SubpartCSection15.236 DateofReceipt....................................:Apr.12,2026 DateofTestDate ................................. :Apr.12,2026~May.18,2026 Dateofissue.........................................:Jun.3,2026 Testresult............................................:Pass Compiledby: (Printedname+signature)LilyZheng Supervisedby: (Printedname+signature)TravisYoung Approvedby: (Printedname+signature)Jasonchen TestingLaboratoryName................:ShenzhenATATestingLab.Inc Address.................................................: 4thFloor,Building10,No.60NanchangRoad,Nanchang Community,XixiangStreet,Bao'anDistrict,ShenzhenCity, China Thistestreportmaybeduplicatedcompletelyforlegalusewiththeapprovaloftheapplicant.Itshouldnotbereproducedexceptinfull, withoutthewrittenapprovalofourlaboratory.TheclientshouldnotuseittoclaimproductendorsementbyATA.Thetestresultsinthe reportonlyapplytothetestedsample.Thetestreportshallbeinvalidwithoutallthesignaturesoftestingengineers,reviewerand approver.AnyobjectionsmustberaisedtoATAwithin15dayssincethedatewhenthereportisreceived.Itwillnotbetakeninto considerationbeyondthislimit.Thetestreportmerelycorrespondtothetestsample. Page 2 of 37 ReportNo.:ATA2604304E Add:4thFloor,Building10,No.60NanchangRoad,NanchangCommunity,XixiangStreet,Bao'anDistrict,ShenzhenCity,Guangdong,People's RepublicofChina Tel:+860755-82828582Mobilephone:+8613728818899E-mail:[email protected]:www.certata.com TABLEOFCONTENTSPage 1.TESTSUMMARY................................................................................................................................................................3 1.1.TESTSTANDARDS...................................................................................................................................................................3 1.2.REPORTVERSION...................................................................................................................................................................3 1.3.TESTDESCRIPTION.................................................................................................................................................................4 1.4.TESTFACILITY........................................................................................................................................................................5 1.5.MEASUREMENTUNCERTAINTY.................................................................................................................................................6 1.6.ENVIRONMENTALCONDITIONS.................................................................................................................................................6 2.GENERALINFORMATION...................................................................................................................................................7 2.1.GENERALDESCRIPTIONOFEUT...............................................................................................................................................7 2.2.DESCRIPTIONOFTHETESTMODES..................................................................................................................................8 2.3.BLOCKDIGRAMSHOWINGTHECONFIGURATIONOFSYSTEMTESTED...........................................................................8 2.4.DESCRIPTIONOFNECESSARYACCESSORIESANDSUPPORTUNITS..................................................................................9 2.5.MEASUREMENTINSTRUMENTSLIST........................................................................................................................................10 2.5.TESTSOFTWARE..................................................................................................................................................................11 3.TESTITEMANDRESULTS.................................................................................................................................................12 3.1.ANTENNAREQUIREMENT......................................................................................................................................................12 3.2.CONDUCTEDEMISSION.........................................................................................................................................................13 3.3.MAXIMUMOUTPUTPOWER.................................................................................................................................................16 3.4.OCCUPIEDBANDWIDTH........................................................................................................................................................19 3.5.NECESSARYBANDWIDTH.......................................................................................................................................................22 3.6.TRANSMITTERSPURIOUSEMISSIONS.........................................................................................................................…

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