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2BL3Q-CD104Car keys

SHENZHEN MINGSHIDA COMMUNICATION TECHNOLOGY CO.,LTD
Car keys - FCC ID 2BL3Q-CD104 - SHENZHEN MINGSHIDA COMMUNICATION TECHNOLOGY CO.,LTD
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Application Details

Equipment Class
DSC - Part 15 Security/Remote Control Transmitter
Date of Grant
Jan 15, 2026
Application Purpose
Original Equipment
Equipment Note
Car keys
Frequency Range
315.00000000 - 315.00000000
Company
SHENZHEN MINGSHIDA COMMUNICATION TECHNOLOGY CO.,LTD
Country
China

Documents & Files

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Users Manual

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Attestation Statements

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Cover Letter(s)

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External Photos

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ID Label/Location Info

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Internal Photos

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RF Exposure Info

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Test Report

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Test Setup Photos

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Document Text

Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.

Users Manual

Controls KeyTypesandFunctions Thisvehiclecomeswiththefollowingkeys: Usethekeystoturnonandoffthepowersystem,andtolockandunlockthedoorsandtoopen thetrunk. Thebuilt-inkeycanbeusedtolock/unlockthedoorswhenthesmartentryremotebattery becomesweakandthepowerdoorlock/unlockoperationisdisabled. Toremovethebuilt-inkey,slidethereleaseknobandthenpulloutthekey.Toreinstallthe built-inkey,pushthebuilt-inkeyintothesmartentryremoteuntilitclicks.1KeyTypesand Functions Allthekeyshaveanimmobilizersystem.Theimmobilizersystemhelpstoprotectagainstvehicle theft. Followtheadvicebelowtopreventdamagetothekeys: 1.Presstheunlockbuttontoremotelyunlockthevehicle. 2.Pressthelockbuttontoremotelylockthevehicle. 3.Pressthebuttontoremotelyactivatethehorn. 4.Insertthekeyintotheignitionswitchtopoweronthevehicle'selectricaldevicesand starttheengine. 5.Positionkeyneartheleftfrontdoorhandle,withinonemeter,andpressthelockbutton.This willautomaticallyraiseallthewindowsandclosethesunroof.If'saconvertible,itwillalso closethetop. 6.Positionthekeyneartheleftfrontdoorhandle,withinonemeter,andpresstheunlockbutton Thiswilllowerallthewindows,openthesunroof,andifit'saconvertible,itwillopenthe top. 7.Pressandholdboththeandunlockbuttonsforaboutfiveseconds.Thekeylightwillflash once.Atthispoint,theunlockfunctionwillonlyworkfortheleftfrontdoorandthecap.To restorefullunlockingcapability,pressandholdboththelockandunlockbuttonsforanotherfive seconds. Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothefollowingtwo conditions:(1)Thisdevicemaynotcauseharmfulinterference,and(2)thisdevicemustaccept anyinterferencereceived,includinginterferencethatmaycauseundesiredoperation. Note:ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassBdigital device,pursuanttopart15oftheFCCRules.Theselimitsaredesignedtoprovidereasonable protectionagainstharmfulinterferenceinaresidentialinstallation.Thisequipmentgenerates usesandcanradiateradiofrequencyenergyand,ifnotinstalledandusedinaccordancewiththe instructions,maycauseharmfulinterferencetoradiocommunications.However,thereisno guaranteethatinterferencewillnotoccurinaparticularinstallation.Ifthisequipmentdoes causeharmfulinterferencetoradioortelevisionreception,whichcanbedeterminedbyturning theequipmentoffandon,theuserisencouragedtotrytocorrecttheinterferencebyoneor moreofthefollowingmeasures: -Reorientorrelocatethereceivingantenna. -Increasetheseparationbetweentheequipmentandreceiver. -Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiveris connected. -Consultthedealeroranexperiencedradio/TVtechnicianforhelp. Changesormodificationstothisunitnotexpresslyapprovedbythepartyresponsiblefor compliancecouldvoidtheuser’sauthoritytooperatetheequipment.

Attestation Statements

Rev1/26/2023 (SHENZHENMINGSHIDACOMMUNICATIONTECHNOLOGYCO.,LTD) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:1/14/2026 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID:2BL3Q-CD104 [SHENZHENMINGSHIDACOMMUNICATIONTECHNOLOGYCO.,LTD]certifiesthattheequipmentfor whichauthorizationissoughtisnot“covered”equipmentprohibitedfromreceivinganequipment authorizationpursuanttosection2.903oftheFCCrules. [SHENZHENMINGSHIDACOMMUNICATIONTECHNOLOGYCO.,LTD]certifiesthattheequipmentfor whichauthorizationissoughtdoesnotincludecybersecurityoranti-virussoftwareproducedorprovided byKasperskyLab,Inc.oranyofitssuccessorsandassignees,includingequipmentwithintegrated KasperskyLab,Inc.(oranyofitssuccessorsandassignees)cybersecurityoranti-virussoftwarepursuant toDA-24-886andKDB986446D01CoveredEquipmentGuidancesectionB(2a). Deviceisinherentlycompliantbasedonhardwarelimitationsorsoftwarecontrols. or ASoftwareBillofMaterials(SBOM)isprovidedtotheTCBforreview,and Theend-userorthirdpartiescannotinstalladditionalsoftwareonthisdevice. Sincerely, AmandaLee/Manager Rev1/26/2023 (SHENZHENMINGSHIDACOMMUNICATIONTECHNOLOGYCO.,LTD) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:1/14/2026 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID:2BL3Q-CD104 [SHENZHENMINGSHIDACOMMUNICATIONTECHNOLOGYCO.,LTD]certifiesthat,asofthedateofthe filingoftheapplication,theapplicantisnotidentifiedontheCoveredList(asaspecificallynamedentity oranyofitssubsidiariesoraffiliates)asanentityproducing“covered”equipment. Sincerely, (Applicantsignature) (Applicantprintedname)AmandaLee/Manager

Cover Letter(s)

Productspecification CustomernameDongguan Aike Precision Technology Co., Ltd Room 602, Building 19, Changping Jewelry Culture Productname 315MHz PCB Antenna Productitem Sampledeliverydate ManufcturerRexense AntennamodelRexPCB_FO-023-V3.0 1.Technicalindicatorsofproducts FrequencyRange(MHz) 315 BandWidth(MHz)5 Impedance(Ω) 50 ReturnLoss(dB) -15.6 Gain(dBi)MAX1.5dBi PolarizationLinearVertical AntennaMaterialPCB OperatingTemp(°C) -30~70 StorageTemp(°C) -40~85 2. Productpicture Industry Center, 568 Huanchang North Road, Changping Town, Dongguan City, Guangdong Province FCC 2025-10-22 1.0mm 27.5mm 44.7mm 3.ReturnLoss 4.VSWR 5.Three-dimensionalcoordinates m1 315.1MHz -15.5611 m2 314.2MHz -9.848 m3 316.8MHz -10.1681 315316317318319320314313312311 310 315316317318319320314313312311 310 m1 315.1MHz 1.9196 m2 314.2MHz 1.6651 m3 316.8MHz 1.4134 ANT db: 315MHz 1.5dbi 314MHz 1dbi 313MHz 0dbi 312MHz 0dbi 316MHz 1dbi 317MHz 0dbi 318MHz 0dbi 6.3Dgainpattern

Cover Letter(s)

SHENZHENMINGSHIDACOMMUNICATIONTECHNOLOGYCO.,LTD Date:2026-1-14 ProductModelNumber:2BL3Q-CD104 FCCID:2BL3Q-CD104 Towhomitmayconcern, Re:ProductCertificationRepresentativeAuthorizationLetter WeauthorizeQAILaboratoriesLtd.3980NorthFraserWay,BurnabyB.C. CanadaV5J5K5toactonourbehalfonallmattersconcerningtheabove namedequipment. Thisshallincludethefollowing: Testing Approvalapplicationsandprocedures WedeclarethatQAILaboratoriesLtd.isallowedtoforwardallinformation relatedtotheapprovalprojecttotheappliedcertificationbodyandtothe notificationentitiesandtodiscussanyissuesconcerningtheapproval application.AnyandallactscarriedoutbyQAILaboratoriesLtd.onour behalfshallhavethesameeffectasactsofourown. By: ContactListedonFCCWesbite Title:AmandaLee Email:[email protected] Telephone:13670014031 Onbehalfof:SHENZHENMINGSHIDACOMMUNICATIONTECHNOLOGY CO.,LTD

Cover Letter(s)

SHENZHENMINGSHIDACOMMUNICATIONTECHNOLOGYCO.,LTD OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:January14,2026 Subject;RequestforConfidentiality FCCID:2BL3Q-CD104 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:AmandaLee Title:Manager

External Photos

AnnexA ExternalPhotos TestModelNo.:2BL3Q-CD104 Page 1 of3 AnnexA ExternalPhotos TestModelNo.:2BL3Q-CD104 Page 2 of3 AnnexA ExternalPhotos TestModelNo.:2BL3Q-CD104 Page 3 of3

ID Label/Location Info

Size:L:1cm*W:0.5cm FCC ID: 2BL3Q-CD104

Internal Photos

AnnexB InternalPhotos TestModelNo.:2BL3Q-CD104 Page 1 of2 AnnexB InternalPhotos TestModelNo.:2BL3Q-CD104 Page 2 of2 PCBantenna

RF Exposure Info

MAXLABTestingCo.,Ltd.ReportNo.:MAX25120080P01-R08RF RFTESTREPORT ReportReferenceNo........................:MAX25120080P01-R08RF FCCID.................................................:2BL3Q-CD104 Compiledby (position+printedname+signature) .. : Engineer/CindyZheng Supervisedby (position+printedname+signature)..: Manager/HaleyWen Approvedby (position+printedname+signature)..: RFManager/VivianJiang Dateofissue.........................................:January9,2026 TestingLaboratoryName...............:MAXLABTestingCo.,Ltd. Address ................................................. : 1/F,BuildingB,XinshidaiGRPark,ShiyanStreet,Bao'anDistrict, Shenzhen,Guangdong,518052,People’sRepublicofChina Applicant’sname...............................:SHENZHENMINGSHIDACOMMUNICATIONTECHNOLOGY CO.,LTD Address.................................................: BuildingD,No.4LongshanIndustrialZone,NanwanStreet, LonggangDistrict,Shenzhen Testspecification .............................. : Standard ................................................ : FCCPart15.231 KDB447498D01V06 ANSIC95.1-2019 FCC§1.1310 MAXLABTestingCo.,Ltd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongasthe MAXLABTestingCo.,Ltd.isacknowledgedascopyrightownerandsourceofthematerial.MAXLAB TestingCo.,Ltd.takesnoresponsibilityforandwillnotassumeliabilityfordamagesresultingfromthe reader'sinterpretationofthereproducedmaterialduetoitsplacementandcontext. Testitemdescription ........................ :Carkeys TradeMark............................................:N/A Manufacturer.........................................:SHENZHENMINGSHIDACOMMUNICATIONTECHNOLOGY CO.,LTD Model/Typereference ......................... :2BL3Q-CD104 ListedModels ...................................... :N/A Ratings ................................................... :DC3VFromBattery Modulation...........................................:ASK Frequency..............................................315MHz Result.....................................................:PASS MAXLABTestingCo.,Ltd.ReportNo.:MAX25120080P01-R08RF RFExposureEvaluation 1.ThecorrespondingSARExclusionThresholdcondition,listedbelow: 1)The1-gand10-gSARtestexclusionthresholdsfor100MHzto6GHzattestseparationdistances≤50 mmaredeterminedby: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)].[Vf(GHz)]≤3.0for1-gSARand≤7.5for10-gextremitySAR,16where ➢f(GHz)istheRFchanneltransmitfrequencyinGHz ➢PoweranddistanceareroundedtothenearestmWandmmbeforecalculation ➢Theresultisroundedtoonedecimalplaceforcomparison Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50mmandfor transmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtestseparationdistanceis<5 mm,adistanceof5mmisappliedtodetermineSARtestexclusion. 2)At100MHzto6GHzandfortestseparationdistances>50mm,theSARtestexclusionthresholdis determinedaccordingtothefollowing: a)[Thresholdat50mminstep1)+(testseparationdistance-50mm):(f(MHz)/150)]mW,at100MHz to1500MHz b)[Thresholdat50mminstep1)+(testseparationdistance-50mm)-10]mWat>1500MHzand≤ 6GHz 3)Atfrequenciesbelow100MHz,thefollowingmaybeconsideredforSARtestexclusion. a)Thethresholdatthecorrespondingtestseparationdistanceat100MHzinstep2)ismultipliedby [1+log(100/f(MHz))]fortestseparationdistances>50mmand<200mm. b)Thethresholddeterminedbytheequationina)for50mmand100MHzismultipliedby/2fortest separationdistances≤50mm. c)SARmeasurementproceduresarenotestablishedbelow100MHz.WhenSARtestexclusioncannot beapplied,aKDBinquiryisrequiredtodetermineSARevaluationrequirementsforanytestresultstobe acceptable. 2.CLASSIFICATION Theantennaofthisproduct,undernormalusecondition,isatlessthan20cmawayfromthebodyofthe user.So,thisdeviceisclassifiedasPortableDevice. EUTSpecification Antennatype:PCBAntenna Antennagain(Max)1.5dBi EvaluationappliedMPEEvaluation SAREvaluation MAXLABTestingCo.,Ltd.ReportNo.:MAX25120080P01-R08RF 3.SARTESTEXCLUSIONTHRESHOLDS ThemeasuredconductedPKPower Mode Frequency(MHz)Fieldstrength(dBuV/m@3) EIRP(dBm) TX31570.62-24.90 Note: EIRP=E Meas +20log(d Meas )-109.5 EIRPistheequivalentisotropicallyradiatedpower,indBm E Meas isthefieldstrengthoftheemissionatthemeasurementdistance,indBuV/m d Meas isthemeasurementdistance,inm EIRP=E+20log(d)-109.5 ThetunedconductedPKPower(declaredbyclient) Mode Frequency(MHz)TargetPower (dBm) Tolerance ±(dBm) TX315-291 Frequency (MHz) Minimum Separation distance(mm) RFOutputpowerResultLimit for1-g SAR Verdict (dBm)(mW) 3155-280.001580.0001783.0 Exempt from SAR Conclusion ThereforethisdevicecomplieswithFCC'sRFradiationexposurelimitsforgeneralpopulationwithout SARevaluation.

Test Report

MAXLABTestingCo.,Ltd. ReportNo.:MAX25120080P01-R08 Page 1 of26 FCCPART15SUBPARTCTESTREPORT FCCPART15.231 ReportReferenceNo........................:MAX25120080P01-R08 FCCID.................................................:2BL3Q-CD104 Compiledby (position+printedname+signature)..: Engineer/CindyZheng Supervisedby (position+printedname+signature) .. : Manager/HaleyWen Approvedby (position+printedname+signature)..: RFManager/VivianJiang Dateofissue ......................................... :January9,2026 TestingLaboratoryName .............. :MAXLABTestingCo.,Ltd. Address.................................................: 1/F,BuildingB,XinshidaiGRPark,ShiyanStreet,Bao'anDistrict, Shenzhen,Guangdong,518052,People’sRepublicofChina Applicant’sname ............................... :SHENZHENMINGSHIDACOMMUNICATIONTECHNOLOGY CO.,LTD Address.................................................: BuildingD,No.4LongshanIndustrialZone,NanwanStreet, LonggangDistrict,Shenzhen Testspecification..............................: Standard................................................: FCCPart15.231 ANSIC63.10:2020 MAXLABTestingCo.,Ltd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongasthe MAXLABTestingCo.,Ltd.isacknowledgedascopyrightownerandsourceofthematerial.MAXLAB TestingCo.,Ltd.takesnoresponsibilityforandwillnotassumeliabilityfordamagesresultingfromthe reader'sinterpretationofthereproducedmaterialduetoitsplacementandcontext. Testitemdescription........................:Carkeys TradeMark ............................................ :N/A Manufacturer ......................................... :SHENZHENMINGSHIDACOMMUNICATIONTECHNOLOGY CO.,LTD Model/Typereference.........................:2BL3Q-CD104 ListedModels......................................:N/A Ratings...................................................:DC3VFromBattery Modulation ........................................... :ASK Frequency .............................................. 315MHz Result ..................................................... :PASS MAXLABTestingCo.,Ltd. ReportNo.:MAX25120080P01-R08 Page 2 of26 TESTREPORT Equipmentunder Test : Carkeys Model/Type: 2BL3Q-CD104 ListedModels:N/A ModelDeclaration:N/A Applicant: SHENZHENMINGSHIDACOMMUNICATIONTECHNOLOGYCO.,LTD Address: BuildingD,No.4LongshanIndustrialZone,NanwanStreet,Longgang District,Shenzhen Manufacturer: SHENZHENMINGSHIDACOMMUNICATIONTECHNOLOGYCO.,LTD Address: BuildingD,No.4LongshanIndustrialZone,NanwanStreet,Longgang District,Shenzhen TestResult:PASS Thetestreportmerelycorrespondstothetestsample. Itisnotpermittedtocopyextractsofthesetestresultwithoutthewrittenpermissionofthetest laboratory. MAXLABTestingCo.,Ltd. ReportNo.:MAX25120080P01-R08 Page 3 of26 Contents 1TESTSTANDARDS..............................................................................................................................4 2SUMMARY.................................................................................................................................................5 2.1GeneralRemarks..........................................................................................................................................5 2.2ProductDescription.....................................................................................................................................5 2.3EquipmentUnderTest.................................................................................................................................5 2.4ShortdescriptionoftheEquipmentunderTest(EUT).............................................................................5 2.5BlockDiagramofTestSetup.......................................................................................................................5 2.6SpecialAccessories.....................................................................................................................................6 2.7RelatedSubmittal(s)/Grant(s)...................................................................................................................6 2.8Modifications.................................................................................................................................................6 3TESTENVIRONMENT........................................................................................................................7 3.1Addressofthetestlaboratory....................................................................................................................7 3.2TestFacility...................................................................................................................................................7 3.3Environmentalconditions............................................................................................................................7 3.4Summaryofmeasurementresults..............................................................................................................8 3.5Statementofthemeasurementuncertainty..............................................................................................8 3.6EquipmentsUsedduringtheTest..............................................................................................................9 4TESTCONDITIONSANDRESULTS.......................................................................................11 4.1ACPowerConductedEmission................................................................................................................11 4.2RadiatedEmission......................................................................................................................................12 4.320dBBandwidth..........................................................................................................................................18 4.4DeactivationTime.....................................................................................................................................…

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

Test Setup Photos

Test setup Test Model No.:2BL3Q-CD104

Contact Information

Applicant

Amanda Lee(Manager)
[email protected]Fax: 13670014031

Technical Contact

Oasis Compliance, Inc.
[email protected]

United States

Test Firm

MAXLAB Testing Co., Ltd.Bill Zhao
[email protected]

Technical Specifications

#Rule PartsFrequency RangePower Output
115.231315 MHz - 315 MHz-
Confidentiality
Long Term

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