2BWLW-YH629-BCFour-button Bluetooth controller

YAOKUNBIAOTECHNOLOGYEQUIPMENT(JIANGSU)CO.,LTD Address：IndustrialPark,No.318,KexingRoad,YuelaiTown,HaimenDistrict,NantongCity, JiangsuProvince Date:2026-08-27 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Ref:AttestationStatementsPart2.911(d)(7)Filing SUBJECT:FCCApplicationforFCCID:2BWLW-YH629-BC FRN:0038534640 (“YAOKUNBIAOTECHNOLOGYEQUIPMENT(JIANGSU)CO.,LTD”)certifiesthat,asofthe dateofthefilingoftheapplication,GOLDENVICTORYINTERNATIONALTRADINGCOLTD isourdesignatedU.S.agentforserviceofprocessfortheabovereferencedFCCID. (“YAOKUNBIAOTECHNOLOGYEQUIPMENT(JIANGSU)CO.,LTD”)acceptstomaintainan agentfornolessthanoneyearafterthegranteehasterminatedallmarketingandimportation ortheconclusionofanyCommission-relatedproceedinginvolvingtheequipment. GOLDENVICTORYINTERNATIONALTRADINGCOLTDaccepts,asofthedateofthefiling oftheapplication,theobligationofthedesignatedU.S.agentforserviceofprocessforthe abovereferencedFCCID. DesignatedU.S.AgentInformation: Name:GOLDENVICTORYINTERNATIONALTRADINGCOLTD Address:11016THSTREETSUITE1400DENVER,CO80202UnitedStates FRN：0036377570 ContactPerson:LeonHowar Tel.:(337)255-0461 Email:[email protected] Sincerely, Signedonbehalfof（YAOKUNBIAO TECHNOLOGYEQUIPMENT(JIANGSU) CO.,LTD） SignedonbehalfofGOLDENVICTORY INTERNATIONALTRADINGCOLTD Name:QiangChenName:LeonHowar Title:ManagerTitle:Manager Date:2026-08-27Date:2026-08-27

Rev1/26/2023 (YAOKUNBIAOTECHNOLOGYEQUIPMENT(JIANGSU)CO.,LTD) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:2026-08-27 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID:2BWLW-YH629-BC (“YAOKUNBIAOTECHNOLOGYEQUIPMENT(JIANGSU)CO.,LTD”)certifiesthattheequipmentforwhich authorizationissoughtisnot“covered”equipmentprohibitedfromreceivinganequipment authorizationpursuanttosection2.903oftheFCCrules. (“YAOKUNBIAOTECHNOLOGYEQUIPMENT(JIANGSU)CO.,LTD”)certifiesthattheequipmentforwhich authorizationissoughtdoesnotincludecybersecurityoranti-virussoftwareproducedorprovidedby KasperskyLab,Inc.oranyofitssuccessorsandassignees,includingequipmentwithintegratedKaspersky Lab,Inc.(oranyofitssuccessorsandassignees)cybersecurityoranti-virussoftwarepursuanttoDA-24- 886andKDB986446D01CoveredEquipmentGuidancesectionB(2a). Deviceisinherentlycompliantbasedonhardwarelimitationsorsoftwarecontrols. or ASoftwareBillofMaterials(SBOM)isprovidedtotheTCBforreview,and Theend-userorthirdpartiescannotinstalladditionalsoftwareonthisdevice. Sincerely, (Applicantsignature): (Applicantprintedname):QiangChen Rev1/26/2023 (YAOKUNBIAOTECHNOLOGYEQUIPMENT(JIANGSU)CO.,LTD) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:2026-08-27 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID:2BWLW-YH629-BC (“YAOKUNBIAOTECHNOLOGYEQUIPMENT(JIANGSU)CO.,LTD”)certifiesthat,asofthedateofthefiling oftheapplication,YAOKUNBIAOTECHNOLOGYEQUIPMENT(JIANGSU)CO.,LTDisnotidentifiedonthe CoveredList(asaspecificallynamedentityoranyofitssubsidiariesoraffiliates)asanentityproducing “covered”equipment. Sincerely, (Applicantsignature): (Applicantprintedname):QiangChen

YAOKUNBIAOTECHNOLOGYEQUIPMENT(JIANGSU)CO.,LTD Date:August27,2026 ProductModelNumber:YH629-BC FCCID:2BWLW-YH629-BC Towhomitmayconcern, Re:ProductCertificationRepresentativeAuthorizationLetter WeauthorizeQAILaboratoriesLtd.3980NorthFraserWay,BurnabyB.C. CanadaV5J5K5toactonourbehalfonallmattersconcerningtheabove namedequipment. Thisshallincludethefollowing: Testing Approvalapplicationsandprocedures WedeclarethatQAILaboratoriesLtd.isallowedtoforwardallinformation relatedtotheapprovalprojecttotheappliedcertificationbodyandtothe notificationentitiesandtodiscussanyissuesconcerningtheapproval application.AnyandallactscarriedoutbyQAILaboratoriesLtd.onour behalfshallhavethesameeffectasactsofourown. By: ContactListedonFCCWesbite Title:Manager Email:[email protected] Telephone:15172321362 Onbehalfof:YAOKUNBIAOTECHNOLOGYEQUIPMENT(JIANGSU)CO., LTD

YAOKUNBIAOTECHNOLOGYEQUIPMENT(JIANGSU)CO., LTD OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:August27,2026 Subject;RequestforConfidentiality FCCID:2BWLW-YH629-BC 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:QiangChen Title:Manager

FCCID:2BWLW-YH629-BC EUTPHOTOS(ExternalPhotos) FCCID:2BWLW-YH629-BC FCCID:2BWLW-YH629-BC FCCID:2BWLW-YH629-BC ※※※※※ENDOFREPORT※※※※※

Size:1.5mmX20mm FCCID:2BWLW-YH629-BC

· FCCID:2BWLW-YH629-BC RFExposureEvaluation AccordingtoKDB447498D01GeneralRFExposureGuidancev06andpart2.1093，Unless specificallyrequiredbythepublishedRFexposureKDBprocedures,standalone1-gheador bodyand10-gextremitySARevaluationforgeneralpopulationexposureconditions,by measurementornumericalsimulation,isnotrequiredwhenthecorrespondingSARTest ExclusionThresholdcondition(s),listedbelow,is(are)satisfied. For100MHzto6GHzandtestseparationdistances≤50mm,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, ForBluetooth Mode Max Power (dBm) Tune-up power (dBm) Max Power (mW) Frequency (MHz) Min. Distance (mm) Calc. thresholds limit BLE-8.7-8.5±10.18240250.0563.0 SoaSARtestisnotrequired

Antenna describe 1. Antenna describe: Antenna plate PCB ANTENNA Make name/model name PDT-002 Antenna gain 0dBi Frequency range 2.4GHZ-2.483GHZ Connector type direct Laboratory Name: DONGGUANG XIAOKE INDUSTRLES.CO.,LTD Laboratory Address: NO. 227, DONGCHENG SECTION, GUANDONG ROAD, DONGCHENG STREET, DONGGUAN CITY,CHINA 2.External view drawing: Picture of antenna Antenna Dimensions L1 2.15 mm L2 1.20 mm L3 1.95 mm W1 0.35 mm W2 0.35 mm D1 1.25 mm D2 1.65 mm D3 0.50 mm 3.Antenna Radiation Pattern Radiation [email protected] Total Average Gain: - 0.475 dbi 0 45 90 135 180 235 270 315 Phi Gain - 0.2 - 0.3 - 0.8 - 0.5 - 0.2 - 0.5 - 0.8 - 0.5 Radiation [email protected] Total Average Gain: - 0.275 dbi 0 45 90 135 180 235 270 315 Phi Gain 0 - 0.2 - 0.4 - 0.6 - 0.1 - 0.3 - 0.6 - 0.4 Radiation [email protected] Total Average Gain: - 0.237 dbi 0 45 90 135 180 235 2 70 315 Phi Gain 0 - 0.2 - 0.3 - 0.5 0 - 0.3 - 0.6 - 0.2

ProjectNo.:ZKT-260826L1729E Page 1 of 53 FCCTESTREPORT FCCID:2BWLW-YH629-BC ReportNumber...................................: ZKT-260826L1729E DateofTest.......................................................: June.11,2026-Aug.11,2026 Dateofissue.........................................: Aug.11,2026 TestResult..........................................: PASS TestingLaboratory. ........................... : ShenzhenZKTTechnologyCo.,Ltd. Address...............................................: 1/F,No.101,BuildingB,No.6,TangweiCommunityIndustrial Avenue,FuhaiStreet,Bao'anDistrict,Shenzhen,China Applicant'sname ............................. : YAOKUNBIAOTECHNOLOGYEQUIPMENT(JIANGSU)CO.,LTD Address...............................................: IndustrialPark,No.318,KexingRoad,YuelaiTown,HaimenDistrict, NantongCity,JiangsuProvince Manufacturer'sname......................: YAOKUNBIAOTECHNOLOGYEQUIPMENT(JIANGSU)CO.,LTD Address...............................................: IndustrialPark,No.318,KexingRoad,YuelaiTown,HaimenDistrict, NantongCity,JiangsuProvince Testspecification: Standard................................................: FCCCFRTitle47Part15SubpartCSection15.247 ANSIC63.10-2020+Cor.1-2023+C63.10a-2024+Erratato C63.10a-2024 Testprocedure ..................................... : / Non-standardtestmethod................:N/A TestReportFormNo. ....................... : TRF-EL-120_V0 TestReportForm(s)Originator ..... : ZKTTesting MasterTRF ........................................ : Dated:2020-01-06 ThisdevicedescribedabovehasbeentestedbyZKT,andthetestresultsshowthattheequipmentunder test(EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonlytothetestedsample identifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofZKT,thisdocumentmay bealteredorrevisedbyZKT,personalonly,andshallbenotedintherevisionofthedocument. Productname.....................................:Four-buttonBluetoothcontroller Trademark...........................................: / Model/Typereference ......................... : YH629-BC Ratings .................................................. : Input:DC5-12V , ProjectNo.:ZKT-260826L1729E Page 2 of 53 Testingprocedureandtestinglocation: TestingLaboratory..........................................:ShenzhenZKTTechnologyCo.,Ltd. Address ............................................................ :1/F,No.101,BuildingB,No.6,TangweiCommunity IndustrialAvenue,FuhaiStreet,Bao'anDistrict, Shenzhen,China JimLiu Testedby(name+signature) ....................... : JacksonFang Reviewer(name+signature) ....................... : LakeXie Approved(name+signature).......................: ProjectNo.:ZKT-260826L1729E Page 3 of 53 TableofContentsPage 1.VERSION..................................................................................................................................................5 2.SUMMARYOFTESTRESULTS.............................................................................................................6 2.1TESTFACILITY...............................................................................................................................7 2.2MEASUREMENTUNCERTAINTY..................................................................................................7 3.GENERALINFORMATION.....................................................................................................................8 3.1GENERALDESCRIPTIONOFEUT...............................................................................................8 3.2DESCRIPTIONOFTESTMODES..................................................................................................9 3.3BLOCKDIGRAMSHOWINGTHECONFIGURATIONOFSYSTEMTESTED...........................10 3.4DESCRIPTIONOFSUPPORTUNITS(CONDUCTEDMODE)....................................................10 3.5EQUIPMENTSLISTFORALLTESTITEMS................................................................................11 4.EMCEMISSIONTEST..........................................................................................................................13 4.1CONDUCTEDEMISSIONMEASUREMENT................................................................................13 4.1.1POWERLINECONDUCTEDEMISSIONLimits.................................................................13 4.1.2TESTPROCEDURE.............................................................................................................13 4.1.3DEVIATIONFROMTESTSTANDARD................................................................................13 4.1.4TESTSETUP........................................................................................................................14 4.1.5EUTOPERATINGCONDITIONS.........................................................................................14 4.2.1RADIATEDEMISSIONLIMITS............................................................................................17 4.2.2TESTPROCEDURE.............................................................................................................18 4.2.3DEVIATIONFROMTESTSTANDARD................................................................................18 4.2.4TESTSETUP........................................................................................................................18 4.2.5EUTOPERATINGCONDITIONS.........................................................................................19 5.RADIATEDBANDEMISSIONMEASUREMENT..................................................................................24 5.1TESTREQUIREMENT:...........................................................................................................24 5.2TESTPROCEDURE................................................................................................................24 5.3DEVIATIONFROMTESTSTANDARD...................................................................................24 5.4TESTSETUP..........................................…

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FCCID:2BWLW-YH629-BC EUTTESTPHOTOS FCCID:2BWLW-YH629-BC ※※※※※ENDOFREPORT※※※※※