2BULW-QHBTR01Wireless Remote Control

ShenzhenQianhuanTechnologyCo.,Ltd. Address:F102,XinXiongIndustrialPark,Gushu1stRoad,Bao'anDistrict,Shenzhen,Guangdong, China 1|Page AttestationStatements To:FederalCommunicationsCommissionDate:Feb.9,26 7435OaklandMillsRoad, Columbia,MD21046,USA Subject:AttestationofCompliancewithFCCCoveredListSoftwareRequirements FCCID:[2BULW-QHBTR01] ProductName:[WirelessRemoteControl] 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:QidaHuang Title:SalesManager Address:F102,XinXiongIndustrialPark,Gushu1stRoad,Bao'anDistrict,Shenzhen,Guangdong,China Tel.:13925890685 Email:[email protected] ShenzhenQianhuanTechnologyCo.,Ltd. Address:F102,XinXiongIndustrialPark,Gushu1stRoad,Bao'anDistrict,Shenzhen,Guangdong, China 2|Page EvaluationregardingtotheCoveredListSoftware: Compliance Methodology EvaluationProcessResults Deviceis Inherent compliance ☒ TheChipset(s)usedislimitedtorun theCybersecurityoranti-virus software. Compliance ☒ TheMemoryusedislimitedtorunthe Cybersecurityoranti-virussoftware. Compliance ☒ Thereisstoragecapacitylimitationfor storeorinstalltheCybersecurityor anti-virussoftware. Compliance ☒ Operatingsystemusedislimitedto run,installordelivertheCybersecurity oranti-virussoftware. Compliance Deviceisnot Inherent compliance ☐ EvaluationBasedonSoftware BillofMaterials(SBoM) Seeattached“SBoM“ Note:TheSBoMcontentislimited tothescopeofcoveredlist software(e.g.antivirusand cybersecuritysoftware). ☐ EvaluationBasedonScanfor Softwareonthedevice ☐ EvaluationBasedonFilesystemscan ☐ EvaluationBasedonRunning softwarecheck

ShenzhenQianhuanTechnologyCo.,Ltd. Address:F102,XinXiongIndustrialPark,Gushu1stRoad,Bao'anDistrict,Shenzhen,Guangdong, China FileNo.:2026SNUSDA019 U.S.AgentLetterofAttestation To:FederalCommunicationsCommission 7435OaklandMillsRoad,Columbia,MD21046,USA Date:Feb.27,26 Ref: AttestationStatement–Part 2.911(d)(7)filing FCCID:2BULW-QHBTR01 [ShenzhenQianhuanTechnologyCo.,Ltd.](“theapplicant”)certifiesthat,asofthedateofthefiling oftheapplication,[TTSMARKETINC.](“theagent”)isourdesignatedU.S.agentforserviceof processfortheabovereferenceFCCID.Theapplicantacceptstomaintainanagentforserviceof processintheUnitedStatesfornolessthanoneyearaftereitherthegranteehaspermanently terminatedallmarketingandimportationoftheapplicableequipmentwithintheU.S.,orthe conclusionofanyCommission-relatedadministrativeorjudicialproceedinginvolvingtheequipment, whicheverislater.TheapplicantfurtheracknowledgesitisourresponsibilitytoinformtheFCC whenevertheagentinformationchanges. [TTSMARKETINC.]("theagent)understanditistheagent'sobligationtoacceptserviceofprocess intheUnitedStatesformattersrelatedtotheapplicableequipment,andatthephysicalU.S. addressandemailaddress. DesignatedU.S.Agent CompanyName:TTSMARKETINC. FRN:0036806057 GC:N/A Address:1178BroadwaySte324,NewYork,NY 10001.USA Signature: ContactPerson:MaverickLim Tel:001-(646)305-2908Email:[email protected] Applicant CompanyName:ShenzhenQianhuanTechnologyCo.,Ltd. FRN:0037929676 Address:F102,XinXiongIndustrialPark,Gushu1st Road,Bao'anDistrict,Shenzhen,Guangdong,China Signature: ContactPerson:QidaHuang Tel:13925890685Email:[email protected]

ShenzhenQianhuanTechnologyCo.,Ltd. F102,XinXiongIndustrialPark,Gushu1stRoad,Bao'anDistrict,Shenzhen,Guangdong, China AttestationStatements NotCoveredEntityApplicant&NotCoveredEquipment To:FederalCommunicationsCommissionDate:Feb.9,26 7435OaklandMillsRoad, Columbia,MD21046,USA Ref:InformationRequiredbySection2.911(d)(5)(i)&(ii) FCCID:2BULW-QHBTR01 ShenzhenQianhuanTechnologyCo.,Ltd.(“theapplicant”)certifiesthat,asofthedateofthefilingof theapplication,theapplicantisnotidentifiedontheCoveredList,establishedpursuantto§1.50002of referencechapter,asanentityproducing“covered”communicationequipment.Theequipmentfor whichauthorizationissoughtisnot“covered”telecommunicationsequipmentandvideosurveillance equipmentproducedbyentitiesidentifiedontheCommission’sCoveredListthatprohibitedfrom receivinganequipmentauthorizationpursuanttosection§2.903oftheFCCrules. Sincerelyyours, ApplicantSignature PrintedName:QidaHuang Title:SalesManager Address:F102,XinXiongIndustrialPark,Gushu1stRoad,Bao'anDistrict,Shenzhen,Guangdong,China Tel.:13925890685 Email:[email protected]

ShenzhenQianhuanTechnologyCo.,Ltd. Address:F102,XinXiongIndustrialPark,Gushu1stRoad,Bao'anDistrict,Shenzhen, Guangdong,China (Feb.09,2026) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:ConfidentialityRequestfor:FCCID:2BULW-QHBTR01 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 Sincerely, (Signature) Title:SalesManager Address:F102,XinXiongIndustrialPark,Gushu1stRoad,Bao'anDistrict,Shenzhen,Guangdong,China Tel.:13925890685 Email:[email protected]

ShenzhenQianhuanTechnologyCo.,Ltd. Address:F102,XinXiongIndustrialPark,Gushu1stRoad,Bao'anDistrict,Shenzhen, Guangdong,China (Feb.09,2026) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:AgentAuthorizationforFCCID:2BULW-QHBTR01 I,theundersigned,herebyauthorize(ShenzhenBKCTestingCo.,Ltd.)toactonourbehalfinallmatters relatingtothisapplicationforequipmentcertification. Anyactcarriedoutby(ShenzhenBKCTestingCo.,Ltd.)shallhavethesameeffectasourownandI acknowledgethatallresponsibilityforcomplyingwiththetermsandconditionsofcertification,as specifiedbyDERYCOMCERTIFICATIONSERVICES,INC.,stillresideswith(ShenzhenQianhuan TechnologyCo.,Ltd.). WecertifythatwearenotsubjecttoadenialoffederalbenefitsthatincludesFCCbenefitspursuantto Section5301oftheAnti-DrugAbuseActof1988,21U.S.C.§862,andthatnopartytotheapplication,as definedin47CFR§1.2002(b),issubjecttoadenialoffederalbenefitsthatincludesFCCbenefits pursuanttothatsection. Sincerely, (Signature) (FullnameofcontactpersonlistedonFCC’swebsite) (Title):SalesManager Tel:13925890685 Fax:N/A Email:[email protected]

ShenzhenQianhuanTechnologyCo.,Ltd. ProductSimilarityDeclaration Productname:WirelessRemoteControl Modelname:QH_BTR01,QH_BTR02,QH_BTR03,QH_BTR04, QH_BTR05,QH_BTR06,QH_BTR07,QH_BTR08,QH_BTR09, QH_BTR10,QH_BTR11,QH_BTR12,QH_BTR13,QH_BTR14, QH_BTR15 Trademark:/ FCCID:2BULW-QHBTR01 We(ShenzhenQianhuanTechnologyCo.,Ltd.)herebystatethat allthemodelsareelectricalidenticalincludingthesamesoftware parameterandhardwaredesign(i.e.,circuitdesign,PCBLayout, RFmodule/circuit,antennatype(s)andantennalocation, componentsonPCB,etc.,),samemechanicalstructureand design(includingproductenclosure,materials,etc.,),theonly differencearethemodelnumber. Signature: Name:QidaHuang Title:SalesManager Place,date:Guangzhou,2026.02.25

FCCID:2BULW-QHBTR01 ExternalPhotos

Label: WirelessRemoteControl Model：QH_BTR01 FCCID:2BULW-QHBTR01

FCCID:2BULW-QHBTR01 InternalPhotos PCBAntenna

FCCID:2BULW-QHBTR01 RFExposureEvaluation AccordingtoKDB447498D01GeneralRFExposureGuidancev06andpart2.1093， UnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures,standalone 1-gheadorbodyand10-gextremitySARevaluationforgeneralpopulationexposure conditions,bymeasurementornumericalsimulation,isnotrequiredwhenthe correspondingSARTestExclusionThresholdcondition(s),listedbelow,is(are)satisfied. For100MHzto6GHzandtestseparationdistances≤5.0mm,the1-gand10-gSARtest exclusionthresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f (GHz) ]≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f (GHz) istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison Here, SoaSARtestisnotrequired ModeFrequen cy (MHz) Max Power (dBm) Target power W/tolerance (dBm) Maxtune uppower tolerance (dBm) Max Power (mW) Min. Distance (mm) Calc. thresholds limit BLEGFSK 2402-0.090±111.25895.000.39023.0 2440-0.240±111.25895.000.39333.0 2480-0.280±111.25895.000.39653.0

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 EIRP(dBm) 1.2 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 change 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 -0.5 1.9 -3.6 1.1 -3.0 6 0.2 % 1.2 1.9 ( Retum Loss The Environment of Antenna Radiation Pattem 3D radiation pattern diagram XY-plane XZ-plane YZ-plane

FCCIDBLE FCC_BLE(Part15.247)TestData ReportNo.:BKC26010427AE-1 FCCID:2BULW-QHBTR01 TableofContents 1.-6dBBandwidth............................................................................................................................................................2 2.99%OccupiedBandwidth............................................................................................................................................4 3.DutyCycle.....................................................................................................................................................................6 4.PeakOutputPower.......................................................................................................................................................8 5.PowerSpectralDensity...............................................................................................................................................10 6.Bandedge....................................................................................................................................................................12 7.SpuriousEmission.......................................................................................................................................................14 Page2of16 1.-6dBBandwidth ConditionAntennaRateFrequency(MHz)-6dBBW(kHz)limit(kHz)Result NVNTANT11Mbps2402.00525.62500Pass NVNTANT11Mbps2440.00538.59500Pass NVNTANT11Mbps2480.00537.83500Pass -6dB_Bandwidth_NVNT_ANT1_1Mbps_2402 -6dB_Bandwidth_NVNT_ANT1_1Mbps_2440 -6dB_Bandwidth_NVNT_ANT1_1Mbps_2480 Page3of16 Page4of16 2.99%OccupiedBandwidth ConditionAntennaRateFrequency(MHz)99%%BW(MHz) NVNTANT11Mbps2402.001.158 NVNTANT11Mbps2440.001.189 NVNTANT11Mbps2480.001.194 99%_Occupied_Bandwidth_NVNT_ANT1_1Mbps_2402 99%_Occupied_Bandwidth_NVNT_ANT1_1Mbps_2440 99%_Occupied_Bandwidth_NVNT_ANT1_1Mbps_2480 Page5of16 Page6of16 3.DutyCycle ConditionAntennaRateFrequency(MHz)Dutycycle(%)Duty_factor NVNTANT11Mbps2402.0012.908.89 NVNTANT11Mbps2440.0016.137.92 NVNTANT11Mbps2480.0016.137.92 Duty_Cycle_NVNT_ANT1_1Mbps_2402 Duty_Cycle_NVNT_ANT1_1Mbps_2440 Duty_Cycle_NVNT_ANT1_1Mbps_2480 Page7of16 Page8of16 4.PeakOutputPower ConditionAntennaRate Frequency (MHz) Max.Conducted Power(dBm) Max.Conducted Power(mW) Limit(mW)Result NVNTANT11Mbps2402.00-0.090.981000Pass NVNTANT11Mbps2440.00-0.240.951000Pass NVNTANT11Mbps2480.00-0.280.941000Pass Peak_Output_Power_NVNT_ANT1_1Mbps_2402 Peak_Output_Power_NVNT_ANT1_1Mbps_2440 Peak_Output_Power_NVNT_ANT1_1Mbps_2480 Page9of16 Page10of16 5.PowerSpectralDensity ConditionAntennaRateFrequency(MHz) PowerSpectral Density(dBm/3kHz) Limit(dBm/3kHz)Result NVNTANT11Mbps2402.00-20.338Pass NVNTANT11Mbps2440.00-20.458Pass NVNTANT11Mbps2480.00-20.898Pass Power_Spectral_Density_NVNT_ANT1_1Mbps_2402 Power_Spectral_Density_NVNT_ANT1_1Mbps_2440 Power_Spectral_Density_NVNT_ANT1_1Mbps_2480 Page11of16 Page12of16 6.Bandedge ConditionAntennaModulation TX_Frequency (MHz) Max. Mark_freq(MHz) Ref_level(dBm) Spurious level(dBm) limit(dBm)Result NVNTANT11Mbps2402.002378.020-0.265-47.752-20.265Pass NVNTANT11Mbps2480.002484.875-0.469-55.568-20.469Pass 1_Reference_Level_NVNT_ANT1_1Mbps_2402 2_Bandedge_NVNT_ANT1_1Mbps_2402 1_Reference_Level_NVNT_ANT1_1Mbps_2480 Page13of16 2_Bandedge_NVNT_ANT1_1Mbps_2480 Page14of16 7.SpuriousEmission ConditionAntennaModulation TX_Frequency (MHz) Ref_level(dBm) Spurious level(dBm) limit(dBm)Result NVNTANT11Mbps2402.00-0.265-48.172-20.265Pass NVNTANT11Mbps2440.00-0.413-46.417-20.413Pass NVNTANT11Mbps2480.00-0.469-48.477-20.469Pass 1_Reference_Level_NVNT_ANT1_1Mbps_2402 2_Spurious_Emission_NVNT_ANT1_1Mbps_2402 1_Reference_Level_NVNT_ANT1_1Mbps_2440 Page15of16 2_Spurious_Emission_NVNT_ANT1_1Mbps_2440 1_Reference_Level_NVNT_ANT1_1Mbps_2480 Page16of16 2_Spurious_Emission_NVNT_ANT1_1Mbps_2480

ShenzhenBKCTestingCo.,Ltd.ReportNo.:BKC26010427AE-1 TestReportTel:4000-875-3820755-84829082Web:Http://www.bkc-lab.comPage1of28 TESTREPORT Applicant:ShenzhenQianhuanTechnologyCo.,Ltd. Address: F102,XinXiongIndustrialPark,Gushu1stRoad,Bao'anDistrict, Shenzhen,Guangdong,China Manufacturer: ShenzhenQianhuanTechnologyCo.,Ltd. Address: F102,XinXiongIndustrialPark,Gushu1stRoad,Bao'anDistrict, Shenzhen,Guangdong,China ProductName:WirelessRemoteControl ModelNumber: QH_BTR01,QH_BTR02,QH_BTR03,QH_BTR04,QH_BTR05, QH_BTR06,QH_BTR07,QH_BTR08,QH_BTR09,QH_BTR10, QH_BTR11,QH_BTR12,QH_BTR13,QH_BTR14,QH_BTR15 Trademark:/ FCCID:2BULW-QHBTR01 TestDate: Jan.15,2026–Jan.30,2026 DateofReport: Jan.30,2026 TestResult: ThisdevicedescribedabovehasbeentestedbyBKC,andthetest resultsshowthattheequipmentundertest(EUT)isincompliance withtheStandardrequirements.Anditisapplicableonlytothetested sampleidentifiedinthereport. TestProcedureUsed: Standards:FCCCFRTitle47Part15SubpartCSection15.247 ANSIC63.10:2020 Preparedby(TestEngineer): StenHuang Approved(Manager): CaseyWang Approved(Manager): JerryLiao ShenzhenBKCTestingCo.,Ltd.ReportNo.:BKC26010427AE-1 TestReportTel:4000-875-3820755-84829082Web:Http://www.bkc-lab.comPage2of28 TABLEOFCONTENT 1.GeneralInformation......................................................................................4 1.1.DescriptionofDevice(EUT).......................................................................................................................4 1.2.ChannelList..................................................................................................................................................4 1.3.Summaryoftestresult................................................................................................................................5 1.4.SpecialAccessoriesandAuxiliaryEquipment........................................................................................5 1.5.Testmode......................................................................................................................................................5 1.6.Testconfiguration.........................................................................................................................................5 1.7.BlockDiagram...............................................................................................................................................6 1.8.TestConditions.............................................................................................................................................6 1.9.MeasurementUncertainty(95%confidencelevels,k=2)......................................................................6 1.10.TestFacility..................................................................................................................................................7 1.11.TestEquipment...........................................................................................................................................7 2.Conductedemissionatthemainsterminalstest......................................9 2.1.Limit................................................................................................................................................................9 2.2.TestSetup......................................................................................................................................................9 2.3.TestProcedure..............................................................................................................................................9 2.4.TestResult...................................................................................................................................................10 3.RadiatedSpuriousEmissions...................................................................12 3.1.Limit..............................................................................................................................................................12 3.2.TestSetup....................................................................................................................................................13 3.3.TestProcedure............................................................................................................................................15 3.4.TestResult...................................................................................................................................................16 4.ConductedSpuriousEmissions................................................................21 4.1.Limit..............................................................................................................................................................21 4.2.TestSetup....................................................................................................................................................21 4.3.TestProcedure............................................................................................................................................21 4.4.TestResult...................................................................................................................................................21 5.BandEdgeMeasurement...........................................................................22 5.1.Limit..............................................................................................................................................................22 5.2.Testsetup....................................................................................................................................................22 5.3.TestProcedure............................................................................................................................................22 5.4.TestResult.......................................................................................................................…

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

FCCID:2BULW-QHBTR01 TestPhotos