2BB6B-HX-928wireless meat thermometer

Huaxin(Dongguan)TechnologyCo.,Ltd Address：Room801,Building4,No.6YongshengNorthRoad,FenggangTowDongguanCity, GuangdongProvince Date:2025-12-31 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Ref:AttestationStatementsPart2.911(d)(7)Filing SUBJECT:FCCApplicationforFCCID:2BB6B-HX-928 FRN:0034026229 (“Huaxin(Dongguan)TechnologyCo.,Ltd”)certifiesthat,asofthedateofthefilingofthe application,GOLDENVICTORYINTERNATIONALTRADINGCOLTDisourdesignatedU.S. agentforserviceofprocessfortheabovereferencedFCCID.(“Huaxin (Dongguan)TechnologyCo.,Ltd”)acceptstomaintainanagentfornolessthanoneyearafter thegranteehasterminatedallmarketingandimportationortheconclusionofany Commission-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（Huaxin (Dongguan)TechnologyCo.,Ltd） SignedonbehalfofGOLDENVICTORY INTERNATIONALTRADINGCOLTD Name:YanguoLinName:LeonHowar Title:ManagerTitle:Manager Date:2025-12-31Date:2025-12-31

Rev1/26/2023 (Huaxin(Dongguan)TechnologyCo.,Ltd) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:12-30-2025 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID:2BB6B-HX-928 (“Huaxin(Dongguan)TechnologyCo.,Ltd”)certifiesthattheequipmentforwhichauthorizationissought isnot“covered”equipmentprohibitedfromreceivinganequipmentauthorizationpursuanttosection 2.903oftheFCCrules. (“Huaxin(Dongguan)TechnologyCo.,Ltd”)certifiesthattheequipmentforwhichauthorizationissought doesnotincludecybersecurityoranti-virussoftwareproducedorprovidedbyKasperskyLab,Inc.orany ofitssuccessorsandassignees,includingequipmentwithintegratedKasperskyLab,Inc.(oranyofits successorsandassignees)cybersecurityoranti-virussoftwarepursuanttoDA-24-886andKDB986446 D01CoveredEquipmentGuidancesectionB(2a). Deviceisinherentlycompliantbasedonhardwarelimitationsorsoftwarecontrols. or ASoftwareBillofMaterials(SBOM)isprovidedtotheTCBforreview,and Theend-userorthirdpartiescannotinstalladditionalsoftwareonthisdevice. Sincerely, (Applicantsignature): (Applicantprintedname):YanguoLin Rev1/26/2023 (Huaxin(Dongguan)TechnologyCo.,Ltd) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:12-30-2025 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID:2BB6B-HX-928 (“Huaxin(Dongguan)TechnologyCo.,Ltd”)certifiesthat,asofthedateofthefilingoftheapplication, Huaxin(Dongguan)TechnologyCo.,LtdisnotidentifiedontheCoveredList(asaspecificallynamedentity oranyofitssubsidiariesoraffiliates)asanentityproducing“covered”equipment. Sincerely, (Applicantsignature): (Applicantprintedname):YanguoLin

AntennaSpecifications ITEMANTSPEC ModelNamePASSIVE2.4G Center Frequency 2400MHz2450MHz2500MHz Gain(dBi)-0.650-1.32 MAX.Gain0dBi AzimuthBeam Pattern Omni-directional Impedance50Ohm AntennaLength25mm AntennaTypePCBantenna ManufactureHuaxin(Dongguan)TechnologyCo.,Ltd Address Room801,Building4,No.6YongshengNorthRoad, FenggangTowDongguanCity,GuangdongProvince 1.AntennaPhoto&Length(mm) 2.Passivetestdata Frequency(MHz)Effi(％)Gain(dBi) 240042.86-0.65 241042.25-0.95 242043.23-1.63 243045.04-1.32 244045.42-0.57 245044.260 246044.78-0.87 247044.49-0.65 248042.27-0.59 249041.88-1.13 250042.73-1.32 3.Directionaldiagram

Huaxin(Dongguan)TechnologyCo.,Ltd Date:December31,2025 ProductModelNumber:HX-928,HX-928-MatteBlack,HX-928-Orange, HX-928-Gray FCCID:2BB6B-HX-928 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:15007557294 Onbehalfof:Huaxin(Dongguan)TechnologyCo.,Ltd

Huaxin(Dongguan)TechnologyCo.,Ltd OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:December31,2025 Subject;RequestforConfidentiality FCCID:2BB6B-HX-928 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:YanguoLin Title:Manager

Huaxin(Dongguan)TechnologyCo.,Ltd ModelDifference Date:Dec.30,2025 Productdescription:wirelessmeatthermometer Modelname:HX-928,HX-928-MatteBlack,HX-928-Orange,HX-928-Gray FCCID:2BB6B-HX-928 HX-928isthetestmodel,whileothermodelsarederivativemodels.Thesemodels arethesameonthecircuit,onlywithdifferentmodelnames. Therefore,thetestdataofHX-928canrepresenttheremainingmodels. Client’ssignature: Client’sname/title:YanguoLin/Manager Contactinformation/address:Room801,Building4,No.6YongshengNorthRoad, FenggangTowDongguanCity,GuangdongProvince

Page1of5ReportNo.:psi2512011-C01-R01 ShenzhenPSITestingCo.,Ltd.Tel:0755-23011775|E-mail:[email protected]|http://www.psi-lab.com Add:1-2/F.,Building5,YudafuIndustrialPark,No.10,XingyeWestRoad,ShajingSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China AppendixIIexternalphotos FCCID:2BB6B-HX-928 Page2of5ReportNo.:psi2512011-C01-R01 ShenzhenPSITestingCo.,Ltd.Tel:0755-23011775|E-mail:[email protected]|http://www.psi-lab.com Add:1-2/F.,Building5,YudafuIndustrialPark,No.10,XingyeWestRoad,ShajingSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Page3of5ReportNo.:psi2512011-C01-R01 ShenzhenPSITestingCo.,Ltd.Tel:0755-23011775|E-mail:[email protected]|http://www.psi-lab.com Add:1-2/F.,Building5,YudafuIndustrialPark,No.10,XingyeWestRoad,ShajingSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Page4of5ReportNo.:psi2512011-C01-R01 ShenzhenPSITestingCo.,Ltd.Tel:0755-23011775|E-mail:[email protected]|http://www.psi-lab.com Add:1-2/F.,Building5,YudafuIndustrialPark,No.10,XingyeWestRoad,ShajingSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Page5of5ReportNo.:psi2512011-C01-R01 ShenzhenPSITestingCo.,Ltd.Tel:0755-23011775|E-mail:[email protected]|http://www.psi-lab.com Add:1-2/F.,Building5,YudafuIndustrialPark,No.10,XingyeWestRoad,ShajingSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China ------End------

Size:50mmX60mm FCCID：2BB6B-HX-928 Thisdevicecomplieswithpart15oftheFCCRules. Operationissubjecttothefollowingtwoconditions: (1)Thisdevicemaynotcauseharmfulinterference,and (2)thisdevicemustacceptanyinterferencereceived, includinginterferencethatmaycauseundesired operation.

Page1of5ReportNo.:psi2512011-C01-R01 ShenzhenPSITestingCo.,Ltd.Tel:0755-23011775|E-mail:[email protected]|http://www.psi-lab.com Add:1-2/F.,Building5,YudafuIndustrialPark,No.10,XingyeWestRoad,ShajingSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China AppendixIIIinternalphotos FCCID:2BB6B-HX-928 Page2of5ReportNo.:psi2512011-C01-R01 ShenzhenPSITestingCo.,Ltd.Tel:0755-23011775|E-mail:[email protected]|http://www.psi-lab.com Add:1-2/F.,Building5,YudafuIndustrialPark,No.10,XingyeWestRoad,ShajingSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Page3of5ReportNo.:psi2512011-C01-R01 ShenzhenPSITestingCo.,Ltd.Tel:0755-23011775|E-mail:[email protected]|http://www.psi-lab.com Add:1-2/F.,Building5,YudafuIndustrialPark,No.10,XingyeWestRoad,ShajingSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Page4of5ReportNo.:psi2512011-C01-R01 ShenzhenPSITestingCo.,Ltd.Tel:0755-23011775|E-mail:[email protected]|http://www.psi-lab.com Add:1-2/F.,Building5,YudafuIndustrialPark,No.10,XingyeWestRoad,ShajingSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Page5of5ReportNo.:psi2512011-C01-R01 ShenzhenPSITestingCo.,Ltd.Tel:0755-23011775|E-mail:[email protected]|http://www.psi-lab.com Add:1-2/F.,Building5,YudafuIndustrialPark,No.10,XingyeWestRoad,ShajingSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China ------End------ ANT

FCCID:2BB6B-HX-928 ShenzhenPSITestingCo.,Ltd.Tel:0755-23011775|E-mail:[email protected]|http://www.psi-lab.com Add:1-2/F.,Building5,YudafuIndustrialPark,No.10,XingyeWestRoad,ShajingSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China RFExposureevaluation Accordingto447498D01GeneralRFExposureGuidancev06 The1-gand10-gSARtestexclusionthresholdsfor100MHzto6GHzattestseparation distances≤50mmaredeterminedby: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f(GHz)]≤3.0for1-gSARand≤7.5for10-gextremitySAR,where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison Here, Mode Max Power (dBm) Tune-up power (dBm) Max Power (mW) Frequency (MHz) Min.Distance (mm) Calc. thresholds limit BLE -0.8 -1±1 1244050.3124 3.0 SoaSARtestisnotrequired

ShenzhenPSITestingCo.,Ltd.Tel:0755-23011775|E-mail:[email protected]|http://www.psi-lab.comPage1of42 Add:1-2/F.,Building5,YudafuIndustrialPark,No.10,XingyeWestRoad,ShajingSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China FCCTESTREPORT FCCID:2BB6B-HX-928 OnBehalfof Huaxin(Dongguan)TechnologyCo.,Ltd wirelessmeatthermometer ModelNo.:HX-928, HX-928-MatteBlack,HX-928-Orange,HX-928-Gray Preparedfor: Huaxin(Dongguan)TechnologyCo.,Ltd Address: Room801,Building4,No.6YongshengNorthRoad,Fenggang TowDongguanCity,GuangdongProvince PreparedBy:ShenzhenPSITestingCo.,Ltd. Address: 1-2/F.,Building5,YudafuIndustrialPark,No.10,XingyeWestRoad, ShajingSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China ReportNumber: psi2512011-C01-R01 DateofReceipt: Nov.20,2025 DateofTest: Nov.20,2025-Nov.28,2025 DateofReport: Nov.28,2025 VersionNumber: V0 Page 2 of 42 ReportNo.:psi2512011-C01-R01 ShenzhenPSITestingCo.,Ltd.Tel:0755-23011775|E-mail:[email protected]|http://www.psi-lab.com Add:1-2/F.,Building5,YudafuIndustrialPark,No.10,XingyeWestRoad,ShajingSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China TABLEOFCONTENTS DescriptionPage 1.SummaryOfStandardsAndResults--------------------------------------------------------------------------------------6 1.1.DescriptionofStandardsandResults------------------------------------------------------------------------------6 2.GeneralInformation--------------------------------------------------------------------------------------------------------------7 2.1.DescriptionofDevice(EUT)-------------------------------------------------------------------------------------------7 2.2.AccessoriesofDevice(EUT)------------------------------------------------------------------------------------------8 2.3.TestedSupportingSystemDetails-----------------------------------------------------------------------------------8 2.4.BlockDiagramofConnectionBetweenEUTandSimulators------------------------------------------------8 2.5.TestModeDescription---------------------------------------------------------------------------------------------------9 2.6.Softwaretestversionandpowersettinginformation-----------------------------------------------------------9 2.7.TestConditions-----------------------------------------------------------------------------------------------------------10 2.8.TestFacility----------------------------------------------------------------------------------------------------------------10 2.9.MeasurementUncertainty--------------------------------------------------------------------------------------------10 2.10.TestEquipmentList-----------------------------------------------------------------------------------------------------11 3.SpuriousEmission--------------------------------------------------------------------------------------------------------------12 3.1.TestLimits-----------------------------------------------------------------------------------------------------------------12 3.2.BlockDiagramofTestsetup-----------------------------------------------------------------------------------------13 3.3.TestProcedure-----------------------------------------------------------------------------------------------------------14 3.4.TestResults---------------------------------------------------------------------------------------------------------------15 4.PowerLineConductedEmission-----------------------------------------------------------------------------------------20 4.1.TestLimits-----------------------------------------------------------------------------------------------------------------20 4.2.TestProcedure-----------------------------------------------------------------------------------------------------------20 4.3.TestSetup-----------------------------------------------------------------------------------------------------------------20 4.4.TestResults---------------------------------------------------------------------------------------------------------------21 5.Out-of-bandEmissions--------------------------------------------------------------------------------------------------------24 5.1.TestLimits-----------------------------------------------------------------------------------------------------------------24 5.2.TestProcedure-----------------------------------------------------------------------------------------------------------24 5.3.TestSetup-----------------------------------------------------------------------------------------------------------------24 5.4.TestResults---------------------------------------------------------------------------------------------------------------24 6.ConductedMaximumOutputPower-------------------------------------------------------------------------------------30 6.1.Testlimits-------------------------------------------------------------------------------------------------------------------30 6.2.TestProcedure-----------------------------------------------------------------------------------------------------------30 6.3.TestSetup-----------------------------------------------------------------------------------------------------------------30 6.4.TestResults---------------------------------------------------------------------------------------------------------------30 7.PeakPowerSpectralDensity-----------------------------------------------------------------------------------------------31 7.1.Testlimits-------------------------------------------------------------------------------------------------------------------31 7.2.TestProcedure-----------------------------------------------------------------------------------------------------------31 7.3.TestSetup-----------------------------------------------------------------------------------------------------------------31 7.4.TestResults---------------------------------------------------------------------------------------------------------------31 8.OccupiedBandwidth-------------------------------------------------------------------------------------------------------…

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Page1of2ReportNo.:psi2512011-C01-R01 ShenzhenPSITestingCo.,Ltd.Tel:0755-23011775|E-mail:[email protected]|http://www.psi-lab.com Add:1-2/F.,Building5,YudafuIndustrialPark,No.10,XingyeWestRoad,ShajingSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China AppendixITestSetupPhoto FCCID:2BB6B-HX-928 SpuriousRadiationEmissionsTest(<1G) SpuriousRadiationEmissionsTest(＞1G) Page2of2ReportNo.:psi2512011-C01-R01 ShenzhenPSITestingCo.,Ltd.Tel:0755-23011775|E-mail:[email protected]|http://www.psi-lab.com Add:1-2/F.,Building5,YudafuIndustrialPark,No.10,XingyeWestRoad,ShajingSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China ConductedemissionTest ------End------