2BWEF-HT02Portable Locator Device

FCC Caution. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: -Reorient or relocate the receiving antenna. -Increase the separation between the equipment and receiver. -Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.-Consult the dealer or an experienced radio/TV technician for help. The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

ShenzhenHuayuChengTechnologyCo.,Ltd. CoveredEquipmentCertificationAttestationLetter 6/9/2026 NemkoNorthAmerica,Inc. 303RiverRoad Ottawa K1V1H2 Canada ATTN.:ReviewingEngineer FCCID:2BWEF-HT02 ShenzhenHuayuChengTechnologyCo.,Ltd.(“theapplicant”)certifiesthatthe equipmentforwhichauthorizationissoughtisnot“covered”equipmentprohibitedfrom receivinganequipmentauthorizationpursuanttosection2.903oftheFCCrules. Note:Iftheequipmentforwhichtheapplicantseeksauthorizationisproducedby anyoftheentitiesidentifiedonthecurrentCoveredList,theapplicantshould includeanexplanationonwhytheequipmentisnot“covered”equipment. ShenzhenHuayuChengTechnologyCo.,Ltd.(“theapplicant”)certifiesthat,asofthe dateofthefilingoftheapplication,theapplicantisnotidentifiedontheCoveredListas anentityproducing“covered”equipment. ShenzhenHuayuChengTechnologyCo.,Ltd.(“theapplicant”)certifiesthatthe equipmentforwhichauthorizationissoughtdoesnotincludecybersecurityoranti-virus softwareproducedorprovidedbyKasperskyLab,Inc.oranyofitssuccessorsand assignees,includingequipmentwithintegratedKasperskyLab,Inc.(oranyofits successorsandassignees)cybersecurityoranti-virussoftwarepursuanttoDA-24-886 andKDB986446D01CoveredEquipmentGuidancesectionB(2a). Signed: Printedname:KECHENGSHAO Title:CEO CompanyName:ShenzhenHuayuChengTechnologyCo.,Ltd. Date:6/9/2026

ShenzhenHuayuChengTechnologyCo.,Ltd. 6/9/2026 NemkoNorthAmerica,Inc. 303RiverRoad Ottawa,Ontario,Canada K1V1H2 REQUESTFORCONFIDENTIALITY-FCC FCCID:2BWEF-HT02 PursuanttoSections0.457(d)(1)(ii)and0.459oftheCommission’sRulesandFCCGuidance document726920,weherebyrequestconfidentialtreatmentofinformationaccompanyingthis applicationasoutlinedbelow: PERMANENTLONG-TERMCONFIDENTIALITY: Schematics BlockDiagrams TheoryofOperation Theaboveinformationcontainstradesecretsandproprietaryinformationnotcustomarilyreleasedto thepublic.Thepublicdisclosureofthisinformationmightbeharmfultotheapplicantandprovide unjustifiedbenefitstoitscompetitors.TheApplicantunderstandsthatpursuanttoRule 0.457(d)(1)(ii),disclosureofthisApplicationandallaccompanyingmaterialswillnotbemadebefore thedateoftheGrantforthisApplication. Sincerely, Signed: Printedname:KECHENGSHAO Title:CEO

ShenzhenHuayuChengTechnologyCo.,Ltd. ProductSimilarityDeclaration Productname:PortableLocatorDevice Modelname:HT02,HT03,HT04,HT05,HT09,HT10 FCCID:2BWEF-HT02 We(ShenzhenHuayuChengTechnologyCo.,Ltd.)herebystate thatallthemodelsareelectricalidenticalincludingthesame softwareparameterandhardwaredesign(circuitdesign,PCB Layout,RFmodule/circuit,antennatype(s)andantennalocation, componentsonPCB,etc.,),samemechanicalstructureand design(includingproductenclosure,materials,etc.,),Theonly differencesareintheproduct'soutershellshape,overallsize, appearancestructure,andshellcolorscheme. Thedifferencephotosareasfollows: Serial Number Model name Color1Color2Size 1HT02 32.1mm*35.5*9.1mm 2HT03 33mm*8.2mm 3HT04 35.6mm*12.5mm 4HT05 32.3mm*9mm ShenzhenHuayuChengTechnologyCo.,Ltd. 5HT09 38.1mm*32mm*9.5mm 6HT10 31mm*9.1mm Signature: Printedname:KECHENGSHAO Title:CEO CompanyName:ShenzhenHuayuChengTechnologyCo.,Ltd. Date:June17,2026

FCCID:2BWEF-HT02 FCCID:2BWEF-HT02 FCCID:2BWEF-HT02 FCCID:2BWEF-HT02 FCCID:2BWEF-HT02 FCCID:2BWEF-HT02 HT03 HT03 FCCID:2BWEF-HT02 HT04 HT04 FCCID:2BWEF-HT02 HT05 HT05 FCCID:2BWEF-HT02 HT09 HT09 FCCID:2BWEF-HT02 HT10 HT10

LabelandLabelLocation FCCID:2BWEF-HT02

FCCID:2BWEF-HT02 Model:HT02 FCCID:2BWEF-HT02 FCCID:2BWEF-HT02 FCCID:2BWEF-HT02 Model:HT03 FCCID:2BWEF-HT02 Model:HT04 FCCID:2BWEF-HT02 FCCID:2BWEF-HT02 Model:HT05 FCCID:2BWEF-HT02 Model:HT09 FCCID:2BWEF-HT02 FCCID:2BWEF-HT02 Model:HT10 FCCID:2BWEF-HT02

Page1of2 RFEXPOSUREEVALUATION FCCID:2BWEF-HT02 ProductName:PortableLocatorDevice ModelName:HT02,HT03,HT04,HT05,HT09,HT10 BluetoothVersion:BT5.1 Operatingfrequency:2402-2480MHz NumbersofChannel:40channelsForDTS AntennaType:PCBantenna AntennaGain:-1.18dBi TypeofModulation:GFSK,ForDTS Powersupply:Input:DC3V HardwareVersion:V2 SoftwareVersion:V1 Page2of2 StandardRequirement Accordingto§15.247(i)and§1.1307b(1),systemsoperatingundertheprovisionsofthis sectionshallbeoperatedinamannerthatensuresthatthepublicisnotexposedtoradio frequencyenergylevelsinexcessoftheCommission’sguidelines.SeeKDB447498D01 GeneralRFExposureGuidancev06,section4.3.1. The1-gand10-gSARtestexclusionthresholdsfor100MHzto6GHzattestseparation distances≤50mmaredeterminedby: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]*[√f(GHz)]≤3.0for1-gSARand≤7.5for10-gSARextremitySAR,where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison. Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤ 50mmandfortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmisappliedtodetermineSARtestexclusion. RoutineSARevaluationreferstothatspecificallyrequiredby§2.1093,usingmeasurements orcomputersimulation.WhenroutineSARevaluationisnotrequired,portabletransmitters withoutputpowergreaterthantheapplicablelowthresholdrequireSARevaluationtoquality forTCBapproval. Channel (MHz) Maximum output power (dBm) Tuneup tolerance (dBm) MaxTune UpPower (mW) Distance (mm) Calculation results Limit Operating Mode 2402 -7.38-7.38±1 0.23014450.0713373BLE_1M AccordingtoKDB447498,ThedeviceonlysupportBTfunction,andnosimultaneousSAR measurementisrequired. Signature SimonPu Manager Date:2026-05-22

Page1of60 FCCTESTREPORT FCCID:2BWEF-HT02 Product: PortableLocatorDevice ModelName:HT02,HT03,HT04,HT05,HT09,HT10 Brand: N/A ReportNo.: PTC26042913101E-FC01 Preparedfor ShenzhenHuayuChengTechnologyCo.,Ltd. 3rdFloor,OfficeBuilding1,YulongFactoryArea,LongchengHigh-techIndustrialPark,Dalang Street,LonghuaDistrict,Shenzhen Preparedby PreciseTesting&CertificationCo.,Ltd Building1,No.6,TongxinRoad,DongchengStreet,Dongguan,Guangdong,China ReportNo.:PTC26042913101E-FC01 Page2of60 1TESTRESULTCERTIFICATION Applicant’sname: ShenzhenHuayuChengTechnologyCo.,Ltd. Address: 3rdFloor,OfficeBuilding1,YulongFactoryArea,LongchengHigh-tech IndustrialPark,DalangStreet,LonghuaDistrict,Shenzhen Manufacture'sname: ShenzhenHuayuChengTechnologyCo.,Ltd. Address: 3rdFloor,OfficeBuilding1,YulongFactoryArea,LongchengHigh-tech IndustrialPark,DalangStreet,LonghuaDistrict,Shenzhen Productname: PortableLocatorDevice Modelname: HT02,HT03,HT04,HT05,HT09,HT10 Standards:FCCCFR47Part15Section15.247 Testprocedure:ANSIC63.10-2020 TestDate:May.08,2026toMay.22,2026 DateofIssue:May.22,2026 TestResult:Pass ThisdevicedescribedabovehasbeentestedbyPTC,andthetestresultsshowthatthe equipmentundertest(EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonlyto thetestedsampleidentifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofPTC,thisdocument maybealteredorrevisedbyPTC,personalonly,andshallbenotedintherevisionofthedocument. TestEngineer: Jackzhou/Engineer TechnicalManager: SimonPu/Manager ReportNo.:PTC26042913101E-FC01 Page3of60 Contents Page 1TESTRESULTCERTIFICATION...............................................................................................................................2 2TESTSUMMARY..........................................................................................................................................................5 2.1TESTSITE............................................................................................................................................................6 3GENERALINFORMATION.......................................................................................................................................7 3.1GENERALDESCRIPTIONOFE.U.T.....................................................................................................................7 3.2CHANNELLIST.....................................................................................................................................................8 4EQUIPMENTDURINGTEST....................................................................................................................................9 4.1EQUIPMENTSLIST.............................................................................................................................................9 4.2MEASUREMENTUNCERTAINTY.........................................................................................................................11 4.3DESCRIPTIONOFSUPPORTUNITS...................................................................................................................12 5CONDUCTEDEMISSION..........................................................................................................................................13 5.1E.U.T.OPERATION............................................................................................................................................13 5.2EUTSETUP.......................................................................................................................................................13 5.3TESTSET-UP(BLOCKDIAGRAMOFCONFIGURATION).................................................................................14 5.4MEASUREMENTPROCEDURE............................................................................................................................14 5.5CONDUCTEDEMISSIONLIMIT...........................................................................................................................14 5.6MEASUREMENTDESCRIPTION..........................................................................................................................14 5.7CONDUCTEDEMISSIONTESTRESULT.............................................................................................................14 6RADIATEDSPURIOUSEMISSIONS......................................................................................................................15 6.1EUTOPERATION...............................................................................................................................................15 6.2TESTSETUP......................................................................................................................................................16 6.3SPECTRUMANALYZERSETUP..........................................................................................................................17 6.4TESTPROCEDURE.............................................................................................................................................18 6.5SUMMARYOFTESTRESULTS...........................................................................................................................20 7CONDUCTBANDEDGEANDSPURIOUSEMISSIONSMEASUREMENT....................................................28 7.1TESTPROCEDURE.............................................................................................................................................28 7.2TESTSETUP......................................................................................................................................................29 7.3TESTRESULT....................................................................................................................................................30 86DBBANDWIDTHMEASUREMENT......................................................................................................................37 R…

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

1 、 Bluetoothantennaspecifications AntennaName:JTMN002 Manufacturer:深圳珈港电子科技有限公司 ShenzhenJahportElectronicTechnologyCo.,LTD Address: 深圳市南山区高新南六道 8 号航盛科技大厦 18B-18C 18B-18C, Hangsheng Technology Building, No. 8, Gaoxin South Sixth Road, Nanshan District, Shenzhen ： Working Frequency ： 2.4 - 2.5 GHz Peak Gain：-1.18 dBi (Typ.) Impedance：50Ω Maximum Power： ·Thethicknessoftheantennacopperlayeris38um 1W * 2、Port Reflection Coefficient (S11) E-plane Radiation Pattern VSWR ≈ 1.22 3、Radiation Pattern H-plane Radiation Pattern 4、Antenna Radiation Parameters

FCCID:2BWEF-HT02 RadiatedEmissions From30M-1GHz Above1GHz