2BFRQ-HCDAR8X80G Radar Level Transmitter

HebeiHuachuangM&CTechnologyCo.,Ltd. Address ： Building#1,SouthofPuhuiStreet,WestofGuangshengEastRoad,High-techPark FengnanEconomicDevelopmentZone,Tangshan,Hebei,China FRN:0035258102 Date:2026-05-12 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Ref:AttestationStatementsPart2.911(d)(7)Filing SUBJECT:FCCApplicationforFCCID:2BFRQ-HCDAR8X HebeiHuachuangM&CTechnologyCo.,Ltd.certifiesthat,asofthedateofthefilingofthe application,XINNAISIINCisourdesignatedU.S.agentforserviceofprocessfortheabove referencedFCCID.HebeiHuachuangM&CTechnologyCo.,Ltd.acceptstomaintainan agentfornolessthanoneyearafterthegranteehasterminatedallmarketingandimportation ortheconclusionofanyCommission-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, HebeiHuachuangM&CTechnologyCo.,Ltd. SignedonbehalfofXINNAISIINC BaoYi KiKi Name:Name: Title:ManagerTitle:Manager Date:2026-05-12Date:2026-05-12

Rev1/26/2023 (HebeiHuachuangM&CTechnologyCo.,Ltd.) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:12-05-2026 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID:(2BFRQ-HCDAR8X) [HebeiHuachuangM&CTechnologyCo.,Ltd.]certifiesthattheequipmentforwhichauthorizationis soughtisnot“covered”equipmentprohibitedfromreceivinganequipmentauthorizationpursuantto section2.903oftheFCCrules. [HebeiHuachuangM&CTechnologyCo.,Ltd.]certifiesthattheequipmentforwhichauthorizationis soughtdoesnotincludecybersecurityoranti-virussoftwareproducedorprovidedbyKasperskyLab,Inc. oranyofitssuccessorsandassignees,includingequipmentwithintegratedKasperskyLab,Inc.(oranyof itssuccessorsandassignees)cybersecurityoranti-virussoftwarepursuanttoDA-24-886andKDB 986446D01CoveredEquipmentGuidancesectionB(2a). Deviceisinherentlycompliantbasedonhardwarelimitationsorsoftwarecontrols. or ASoftwareBillofMaterials(SBOM)isprovidedtotheTCBforreview,and Theend-userorthirdpartiescannotinstalladditionalsoftwareonthisdevice. Sincerely, (BaoYi) Rev1/26/2023 (HebeiHuachuangM&CTechnologyCo.,Ltd.) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:12-05-2026 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID:(2BFRQ-HCDAR8X) [HebeiHuachuangM&CTechnologyCo.,Ltd.]certifiesthat,asofthedateofthefilingoftheapplication, theapplicantisnotidentifiedontheCoveredList(asaspecificallynamedentityoranyofitssubsidiaries oraffiliates)asanentityproducing“covered”equipment. Sincerely, (BaoYi)

HebeiHuachuangM&CTechnologyCo.,Ltd. Date ： 12-05-2026 ProductModelNumber:HCDAR-80,HCDAR-80,HCDAR-81,HCDAR-80S, HCDAR-81S,HCDAR-82 FCCID ： 2BFRQ-HCDAR8X Towhomitmayconcern, Re:ProductCertificationRepresentativeAuthorizationLetter WeauthorizeQAILaboratoriesLtd.3980NorthFraserWay,BurnabyB.C. CanadaV5J5K5toactonourbehalfonallmattersconcerningtheabove namedequipment. Thisshallincludethefollowing: Testing Approvalapplicationsandprocedures WedeclarethatQAILaboratoriesLtd.isallowedtoforwardallinformation relatedtotheapprovalprojecttotheappliedcertificationbodyandtothe notificationentitiesandtodiscussanyissuesconcerningtheapproval application.AnyandallactscarriedoutbyQAILaboratoriesLtd.onour behalfshallhavethesameeffectasactsofourown. By: ContactListedonFCCWesbite BaoYi Title: Manager Email:[email protected] Telephone:+8613393258030 Onbehalfof:HebeiHuachuangM&CTechnologyCo.,Ltd.

HebeiHuachuangM&CTechnologyCo.,Ltd. OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:May12,2026 Subject;RequestforConfidentiality FCCID:2BFRQ-HCDAR8X 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:BaoYi Title:Manager

V1.0A4 HCDAR-80/81 1 2026-04-07 2026-04-07 Nameplate drawing 1 RDQT25050654 Zhao Chenming Neil Model: HCDAR-80 Power Supply : 12...30VDC Signal Output : (4-20)mA Measuring Range: 0...30m Protection Grade : Type 4X Factory Number: 2504001 80GHz Radar Level Sensor 2) FCC ID:2BFRQ-HCDAR8X IC:32302-HCDAR8X Contains Transmitter Module FCC ID:2ABN2-BG22A3 IC:23949-BG22A3 Location

Thetestresultspresentedinthisreportrelateonlytotheobjecttested.Thisreportshallnotbe reproduced,exceptinfull,withoutthewrittenapprovaloftheShenzhenSTSTestServicesCo., Ltd. MPEReport ReportNo.:STS2603136H01 Issuedfor HebeiHuachuangM&CTechnologyCo.,Ltd Building#1,SouthofPuhuiStreet,WestofGuangsheng EastRoad,High-techPark,FengnanEconomic DevelopmentZone,Tangshan,Hebei,China ProductName:80GRadarLevelTransmitter BrandName:N/A ModelName:HCDAR-80 SeriesModel(s): HCDAR-80,HCDAR-81,HCDAR-80S, HCDAR-81S,HCDAR-82 FCCID:2BFRQ-HCDAR8X TestStandards:FCC47CFR§2.1091 Page2of9ReportNo.:STS2603136H01 TESTREPORT Applicant’sName....................: HebeiHuachuangM&CTechnologyCo.,Ltd Address......................................: Building#1,SouthofPuhuiStreet,WestofGuangsheng EastRoad,High-techPark,FengnanEconomic DevelopmentZone,Tangshan,Hebei,China Manufacturer'sName.............: HebeiHuachuangM&CTechnologyCo.,Ltd Address......................................: 1F,SouthofPuhuiStreet,WestofGuangshengEastRoad, High-techPark,FengnanEconomicDevelopmentZone, Tangshan,Hebei,China ProductDescription ProductName ........................... : 80GRadarLevelTransmitter Brand ........................................ : N/A ModelNumber...........................:...: HCDAR-80 SeriesModel(s).........................: HCDAR-80,HCDAR-81,HCDAR-80S,HCDAR-81S, HCDAR-82 TestStandards........................: FCC47CFR§2.1091 447498D04InterimGeneralRFExposureGuidancev01 Thetestresultspresentedinthisreportrelateonlytotheobjecttested.Thisreportshallnotbe reproduced,exceptinfull,withoutthewrittenapprovaloftheShenzhenSTSTestServicesCo.,Ltd. DateofTest ............................................... : Dateofreceiptoftestitem........................: 19Mar2026 Date(s)ofperformanceoftests ............... : 19Mar2026~21May.2026 DateofIssue..............................................: 21May.2026 TestResult..................................................:Pass TestingEngineer: (RainLiu) TechnicalManager: (SkylarLi) AuthorizedSignatory: (BoveyYang) Page3of9ReportNo.:STS2603136H01 TABLEOFCONTENTS 1.GENERALINFORMATION5 1.1GENERALDESCRIPTIONOFTHEEUT5 1.2TESTFACTORY5 2.FCC47CFR§2.1091REQUIREMENT6 2.1TESTSTANDARDS6 2.2LIMIT6 2.3TESTRESULT9 Page4of9ReportNo.:STS2603136H01 RevisionHistory Rev.IssueDateReportNo.EffectPageContents 00 21May.2026STS2603136H01 ALLInitialIssue Page5of9ReportNo.:STS2603136H01 1.GENERALINFORMATION 1.1GENERALDESCRIPTIONOFTHEEUT ProductName80GRadarLevelTransmitter BrandNameN/A ModelNameHCDAR-80 SeriesModel(s)HCDAR-80,HCDAR-81,HCDAR-80S,HCDAR-81S,HCDAR-82 ModelDifferenceThedimensionsoftheconnectingthreadsaredifferent OperationFrequency 76-81GHz BLE1M/2M:2402-2480MHz ModulationType FMCW GFSK AntennaType PCB AntennaGain Radar:31.3dBi BLE:-0.01dBi PowerRaiting Input:12-28VDC Battery N/A Hardwareversion N/A Softwareversion N/A 1.2TESTFACTORY SHENZHENSTSTESTSERVICESCO.,LTD Add.:101,BuildingB,ZhuokeSciencePark,No.190ChongqingRoad,ZhanChengShequ,Fuhai Sub-District,Bao’anDistrict,Shenzhen,GuangDong,China FCCtestFirmRegistrationNumber:625569 ICtestFirmRegistrationNumber:12108A A2LACertificateNo.:4338.01 Page6of9ReportNo.:STS2603136H01 2.FCC47CFR§2.1091REQUIREMENT 2.1TESTSTANDARDS Followthemaximumpermissibleexposure(MPE)limitsspecifiedin447498D04InterimGeneral RadioFrequencyExposureGuidelinesv01.Thegainoftheantennausedintheproductwas extractedfromthesuppliedantennadatasheetandthemaximumtotalpowerinputtothe antennawasalsomeasured.CalculatethedistancefromtheproducttotheMPElimitbythe formula. 2.2LIMIT ForsingleRFsources(i.e.,anysinglefixedRFsource,mobiledevice,orportabledevice,as definedinparagraph(b)(2)ofthissection):AsingleRFsourceisexemptif: (A)Theavailablemaximumtime-averagedpowerisnomorethan1mW,regardlessofseparation distance.Thisexemptionmaynotbeusedinconjunctionwithotherexemptioncriteriaotherthan thoseinparagraph(b)(3)(ii)(A)ofPart1.1307.Medicalimplantdevicesmayonlyusethis exemptionandthatinparagraph(b)(3)(ii)(A); (B)Ortheavailablemaximumtime-averagedpoweroreffectiveradiatedpower(ERP),whichever isgreater,islessthanorequaltothethresholdPth(mW)describedinthefollowingformula.This methodshallonlybeusedatseparationdistances(cm)from0.5centimetersto40centimeters andatfrequenciesfrom0.3GHzto6GHz(inclusive).Pthisgivenby: Page7of9ReportNo.:STS2603136H01 (C)Orusingbelowtableandtheminimumseparationdistance(Rinmeters)fromthebodyofa nearbypersonforthefrequency(finMHz)atwhichthesourceoperates,theERP(watts)isno morethanthecalculatedvalueprescribedforthatfrequency.FortheexemptioninTable1to apply,Rmustbeatleastλ/2π,whereλisthefree-spaceoperatingwavelengthinmeters.Ifthe ERPofasingleRFsourceisnoteasilyobtained,thentheavailablemaximumtime-averaged powermaybeusedinlieuofERPifthephysicaldimensionsoftheradiatingstructure(s)donot exceedtheelectricallengthofλ/4oriftheantennagainislessthanthatofahalf-wavedipole (1.64linearvalue). RFSourcefrequency(MHz)ThresholdERP(watts) 0.3-1.341,920R 2 . 1.34-303,450R 2 /f 2 . 30-3003.83R 2 . 300-1,5000.0128R 2 f. 1,500-100,00019.2R 2 . Page8of9ReportNo.:STS2603136H01 FormultipleRFsources:MultipleRFsourcesareexemptif: (A)Theavailablemaximumtime-averagedpowerofeachsourceisnomorethan1mWandthere isaseparationdistanceoftwocentimetersbetweenanyportionofaradiatingstructureoperating andthenearestportionofanyotherradiatingstructureinthesamedevice,exceptifthesumof multiplesourcesislessthan1mWduringthetime-averagingperiod,inwhichcasetheymaybe treatedasasinglesource(separationisnotrequired).Thisexemptionmaynotbeusedin conjunctionwithotherexemptioncriteriaotherthanthoseisparagraph(b)(3)(i)(A)ofPart1.1307. Medicalimplantdevicesmayonlyusethisexemptionandthatinparagraph(b)(3)(i)(A). (B)inthecaseoffixedRFsourcesoperatinginthesametime-averagingperiod,orofmultiple mobileorportableRFsourceswithinadeviceoperatinginthesametimeaveragingperiod,ifthe sumofthefractionalcontributionstotheapplicablethresholdsislessthanorequalto1as indicatedinthefollowingequation. Where: a=numberoffixed,mobile,orportableRFsourcesclaimingexemptionusingparagraph (…

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

Antenna Specification application model certified by frequency range (GHz) 76-81 beam angle (°) 3.8 ant. port input pwr (dBm) 10 tot. rad. pwr dBm) 6.7 peak eirp (dBm) 41.3 directivity (dBi) 34.6 efficiency (dB) -3.3 gain （ dBi ） 31.3 max power xy -2.7 min power xy -20.9 avg power xy -8.5 Maximumside lobe level ＞ 60° (dB) -30 input impedence (ohm) 50 polarization type linear polarizat ion vswr<3 Antenna typePCB Antenna manufacturer Lingdu Electronic Technology (Gu'an) Co., Ltd. Manufacturer Address Building 13, Aerospace Electronic Industrial Park, East of Min'an Road and North of No.5 Road, High-tech Zone, Gu'an County, Langfang City, Hebei Province Antenna Size Gain table Frequency @77GHz xy(dbi)xz(dbi)yz(dbi) Eff.(db) peakAvgpeakAvgpeakAvg -2.7-8.531.3-5.131.3-4.7-3.3 Return Loss — S11 3D radiation Pattern Diagram XZplaneYZplaneXYplane

Thetestresultspresentedinthisreportrelateonlytotheobjecttested.Thisreportshallnotbe reproduced,exceptinfull,withoutthewrittenapprovaloftheShenzhenSTSTestServicesCo., Ltd. RadioTestReport ReportNo.:STS2603136W01 Issuedfor HebeiHuachuangM&CTechnologyCo.,Ltd Building#1,SouthofPuhuiStreet,WestofGuangshengEast Road,High-techPark,FengnanEconomicDevelopment Zone,Tangshan,Hebei,China ProductName:80GRadarLevelTransmitter BrandName:N/A ModelName:HCDAR-80 SeriesModel(s) HCDAR-80,HCDAR-81,HCDAR-80S, HCDAR-81S,HCDAR-82 FCCID:2BFRQ-HCDAR8X TestStandards:FCCPart15.256 Page 2 of 47 ReportNo.:STS2603136W01 TESTREPORT Applicant’sName......................: HebeiHuachuangM&CTechnologyCo.,Ltd Address.........................................: Building#1,SouthofPuhuiStreet,WestofGuangshengEast Road,High-techPark,FengnanEconomicDevelopment Zone,Tangshan,Hebei,China Manufacture'sName.................: HebeiHuachuangM&CTechnologyCo.,Ltd Address.........................................: 1F,SouthofPuhuiStreet,WestofGuangshengEastRoad, High-techPark,FengnanEconomicDevelopmentZone, Tangshan,Hebei,China ProductDescription ProductName...........................: 80GRadarLevelTransmitter BrandName.............................: N/A ModelName..............................: HCDAR-80 SeriesModel..............................: HCDAR-80,HCDAR-81,HCDAR-80S,HCDAR-81S, HCDAR-82 TestStandards ........................ : FCCPart15.256 ThisdevicedescribedabovehasbeentestedbySTS,thetestresultsshowthattheequipment undertest(EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonlytothetested sampleidentifiedinthereport. Thetestresultspresentedinthisreportrelateonlytotheobjecttested.Thisreportshallnotbe reproduced,exceptinfull,withoutthewrittenapprovaloftheShenzhenSTSTestServicesCo.,Ltd. DateofTest Dateofreceiptoftestitem......: 19Mar2026 Dateofperformanceoftests...: 19Mar2026~21May.2026 DateofIssue.............................: 21May.2026 TestResult.................................: Pass TestingEngineer: (RainLiu) TechnicalManager: (SkylarLi) AuthorizedSignatory: (BoveyYang) Page 3 of 47 ReportNo.:STS2603136W01 TableofContentsPage 1.SUMMARYOFTESTRESULTS6 1.1TESTFACILITY7 1.2MEASUREMENTUNCERTAINTY7 2.GENERALINFORMATION8 2.1GENERALDESCRIPTIONOFEUT8 2.2EUTOPERATIONMODE9 2.3TESTSOFTWAREANDPOWERLEVEL9 2.4DESCRIPTIONOFTESTMODES9 2.5BLOCKDIGRAMSHOWINGTHECONFIGURATIONOFSYSTEMTESTED9 2.6DESCRIPTIONOFNECESSARYACCESSORIESANDSUPPORTUNITS10 2.7TESTEQUIPMENT11 3.EMCEMISSIONTEST12 3.1CONDUCTEDEMISSIONMEASUREMENT12 3.2TESTPROCEDURE13 3.3TESTSETUP13 3.4EUTOPERATINGCONDITIONS13 4.FUNDAMENTALEMISSIONS14 4.1LIMIT14 4.2TESTPROCEDURE15 4.3TESTSETUP15 4.4TESTRESULTS16 5.UNWANTEDEMISSIONS18 5.1LIMIT18 5.2TESTPROCEDURE20 5.3TESTSETUP21 5.4FIELDSTRENGTHCALCULATION23 5.5TESTRESULTS24 6.FUNDAMENTALBANDWIDTH40 6.1LIMIT40 6.2TESTPROCEDURE40 6.3TESTSETUP40 6.4TESTRESULT41 7.ANTENNABEAMWIDTHANDANTENNASIDELOBEGAIN43 7.1LIMIT43 7.2TESTRESULT43 Page 4 of 47 ReportNo.:STS2603136W01 TableofContentsPage 8.FREQUENCYSTABILITY44 8.1LIMIT44 8.2DESCRIPTION44 8.3TESTSETUP44 8.4TESTRESULT45 9.ANTENNAREQUIREMENT46 9.1STANDARDREQUIREMENT46 9.2EUTANTENNA46 10.PHOTOSOFTESTSETUP47 Page 5 of 47 ReportNo.:STS2603136W01 RevisionHistory Rev.IssueDateReportNo.EffectPageContents 0021May.2026STS2603136W01ALLInitialIssue Page 6 of 47 ReportNo.:STS2603136W01 1.SUMMARYOFTESTRESULTS Testproceduresaccordingtothetechnicalstandards: FCCPart15.256 FCCstandardTestItemResults 15.256(h)SpuriousemissionsPASS 15.256(f)FundamentalbandwidthPASS 15.256(g) Fundamentalemissionslimits (Maximumpeakoutputpower& Powerspectraldensity) PASS 15.256(i)AntennabeamwidthPASS 15.256(j)AntennasidelobegainPASS 15.215(c)FrequencystabilityPASS 15.207ACConductedN/A NOTE: (1)“N/A”denotestestisnotapplicableinthisTestReport. (2)AlltestsareaccordingtoANSIC63.10-2020+Cor1-2023 Page 7 of 47 ReportNo.:STS2603136W01 1.1TESTFACILITY SHENZHENSTSTESTSERVICESCO.,LTD Add.:101,BuildingB,ZhuokeSciencePark,No.190ChongqingRoad,ZhanChengShequ, FuhaiSub-District,Bao’anDistrict,Shenzhen,GuangDong,China FCCtestFirmRegistrationNumber:625569 ICtestFirmRegistrationNumber:12108A A2LACertificateNo.:4338.01 1.2MEASUREMENTUNCERTAINTY Thereporteduncertaintyofmeasurementy±U,whereexpendeduncertaintyUisbasedona standarduncertaintymultipliedbyacoveragefactorofk=2,providingalevelofconfidenceof approximately95%. No.ItemUncertainty 1RFoutputpower±0.751dB 2Occupiedbandwidth±3.6% 3Allemissions,radiatedbelow1GHz±2.52dB 4Allemissions,radiated1GHz-18GHz±3.48dB 5Allemissions,radiated>18G±4.18dB 6DutyCycle±3.2% Page 8 of 47 ReportNo.:STS2603136W01 2.GENERALINFORMATION 2.1GENERALDESCRIPTIONOFEUT ProductName 80GRadarLevelTransmitter BrandNameN/A ModelNameHCDAR-80 SeriesModel(s)HCDAR-80,HCDAR-81,HCDAR-80S,HCDAR-81S,HCDAR-82 ModelDifference Thedimensionsoftheconnectingthreadsaredifferent OperationFrequency 76-81GHz ModulationType FMCW AntennaType PCB AntennaGain 31.3dBi PowerRaiting Input:12-28VDC Battery N/A Hardwareversion N/A Softwareversion N/A Note: 1. Foramoredetailedfeaturesdescription,pleaserefertothemanufacturer’sspecificationsor theUser'sManual. 2.TableforFiledAntenna AntBrand Model Name AntennaTypeConnectorGain(dBi)NOTE 1 Lingdu Electronic Technology (Gu’an)Co., Ltd. N/APCBN/A31.3Antenna TheEUTantennaisExternalAntenna.Noantennaotherthanthatfurnishedbythe responsiblepartyshallbeusedwiththedevice. 3 ChannelList Channel Frequency (GHz) 0176-81 Note: Insection15.31(m),regardstotheoperatingfrequencyrangeover10MHz,theLowestfrequency, themiddlefrequency,andthehighestfrequencyofchannelwereselectedtoperformthetest,please seetheabovelistedfrequencyfortesting. 4.TheEUTisLRPdevice Page 9 of 47 ReportNo.:STS2603136W01 2.2EUTOPERATIONMODE TheEUThasbeentestedundertypicaloperatingconditionandTheTransmitterwasoperatedin thenormaloperatingmode.TheTXfrequencywasfixedwhichwasforthepurposeofthe measurements. 2.3TESTSOFTWAREANDPOWERLEVEL Duringtestingchannel&powercontrollingsoftwareprovidedbythecustomerwasusedtocontrolthe operatingchannelaswellastheoutputpowerlevel RFFunction…

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