2BKXJCQCQDZtransmit modules

-1- Fourchannelmonitoringsystem aninstructionmanual -2- 一、monitor 1、Keyfunctionintroduction 1:Thescreenopeningkey 2:Movethekeyup 3:Movedownthekey 4:Modeswitchingkey/leftshiftkey 5:Themenukey/confirmkey/returnkey 6:Channelswitchkey/rightshiftkey 1.1、Thescreenisonkey Function1:Open/offscreenfunction Poweronthescreen,ifyouneedtoclosethescreen,pressonceto closethescreen,pressagaintoopenthescreen. 1.2、Movethekeyup Function1:Move-upselection Inthemenufortoselectthepreviousitem. Function2:Increase Increaseforthevalueinthedatesetting. 1.3、Movedownthekey Function1:Movedownselection Inthemenu,itisnecessarytoselectthenextitem. Function2:Reduce Valuereductioninthedatesetting. 123456 -3- 1.4、Modeswitchkey/leftshiftkey Function1:Switchbetweenthesplitscreen Inthestandbymode,selectthesplitmode.(Twosplit,threedivided, fourdividedpictures) Function2:Moveleft Movetotheleftoptioninthemenuinterface. 1.5、Themenukey/confirmkey/returnkey Function1:Menu Instandbystate,shortpressthemenubuttontoenterthemenu. Function2:Confirmthefunction Confirmontheselecteditems. Function3:Returnfunction Longpressthemenubuttonforabout3secondstoreturntotheprevious interface. 1.6、Channelswitchkeys/right-shiftkeys Function1:Switchbetweenthesinglescreen Instandbystate,switchtodisplayasinglelargescreen. Function2:Moveright Rightrightoptioninthemenuinterface。 2、Menufeatureintroduction： 2.1、Videosetting： 1)、automatic OpentheACC,theDVRdisplaywillautomaticallystart(about15seconds) andturnonthevideofunction(areddotinthelowerleftcornerindicates thevideoisturnedon);closetheACC,theDVRdisplaywillautomatically savethevideocontentontheSDcard,whichwillautomaticallyoverwrite thevideofileswhentheSDcardisfull. 2)、Manual Enterthemenuwiththemenu(Figure1.1),moverightandselect"Video Settings",andthemenuwillconfirmtheentry(Figure1.2).TheChannel -4- Figure2.1 SelectioncanbeselectedbetweenCH1-CH4,andtheusercansetupother functionsunderthischannelaccordingtotheirownneeds.Ifvideois notrequired,setVideoModetoOff;setimagemirrortoLevel;thevideo delaytimeisoptional5S/10Stoensurethatthevideoisnotmissing. 2.2、Videoplayback Userscansettheplaybackchannelvideo,dateandtimeperiod accordingtotheirownneeds.Whenthesettingiscompleted,click"Query" toconfirmtheplaybackvideofile. Clickup/downtoselectthevideotobeplayedback(Figure2.2) andclickOKtoselectthevideotobeplayed.Clickonthe"play"below againtoviewtheplaybackimage(Figure2.3). /Thevideocanbeplayedatmultiplespeed，Theprogressbar canbehidden. Note:Thevideorecordingstopsautomaticallyduringtheoperation,and theendoperationvideorecordingstartsautomatically. Figure1.1Figure1.2 -5- 2.3、Displaysettings 1.Displayadjustment:thedisplaycanbesetforindividualchannels; (Figure3.1) 2.Channelname:thenameofeachchannelcanbemodified;(Figure3.2) 3.Installationmethod:Thereversingscaleandreversingprioritycan besetforthereversingmonitoringscreen,andtheturnsignalmodecan besetaccordingtothedemand;(Figure3.3) 4.PictureSettings:thebackgroundcolor,bordercolorandframecolor canbesetforthedisplaymode.(Figure3.4) Figure2.2Figure2.3 Figure3.3Figure3.4 Figure3.1Figure3.2 -6- 2.4、SystemSettings 1.Powersavingmode:thescreenrestscreentimecanbesetaccording toitsownneeds;(thevideorecordinghasnotstoppedduringtherest screenperiod)(Figure4.1) 2.Systemtime:Inordertoeffectivelyvideorecordthedateandtime oftheevidencecollectionofdrivingsafetyaccidents,pleasesetthe correcttimeimmediatelybeforeusingthelocalmachine; 3.Storagemanagement:youcanviewthecurrentremainingspace.Inorder toeffectivelyvideotheevidencecollectiondateandtimeoftraffic safetyaccidents,donoteasilyformatting. Producttechnicalparameters： supplyvoltageDC9~36V Usethetemperature range -20°C~+70°C window7′′ Videoinput resolution 1920*1080（max） VideoinputformatAHD/CVBS（self-adaption） displayresolution1024*600 Videoresolution 1280*720*4/960*1080*4（Independentvideo recordingofeachchannel） compressedformatH.264 fileformatTS(Thepower-offvideodoesnotmiss Figure 4.1 -7- seconds)，MP4 joggle Numberof channels 4channels(displayed simultaneously) Video source input 1.0Vp-p SDblock Themaximumcapacitysupports 256Gcapacity workingcurrent24V:450mA(loadedtocapacity) working temperature -20°C~+70°C storage temperature -40°C~+90°C relativehumidity＜90% Picture segmentation Singlepicture,doublepicture,three pictures,fourpicturesSinglepicture, doublepicture,threepictures,four pictures Eachchannelcanbe regulated independently Mirrorimage,horizontal,vertical, horizontalandverticalsimultaneously, originalimage,brightness,saturation, contrast 二、Wirelessmodule Launchmodule（CQ-MK8208A-TX-3DB） Receivethemodule（CQ-MK8208B-RX-3DB） -8- interfacespecification： Launchmodule（CQ-MK8208A-TX-3DB） ①：powerinput12-32Vpowerinput ②：VideoinputportConnectthecamera ③：Thecodeswitch Whentheemissiondoesnotmatchwiththe reception,itcanbematchedbymatchingthecode Receivethemodule（CQ-MK8208B-RX-3DB） ①：powerinput12-32Vpowerinput ②：VideooutputportConnectthedisplay ③：Thecodeswitch Whentheemissiondoesnotmatchwiththe reception,itcanbematchedbymatchingthecode technicalparameters： workingvoltageDC12-32V available machinetime ＜2S delaytime150msresolutionAHD720P,AHD1080P Outputvideo system PAL/NTSC Operating frequencyrange 2400~2483MHz workingcurrent TX：260mA RX：130mA Antennainput/ output impedance 50Ω,Typ. receiving sensitivity -83dBm transmission distance 500meters working temperature -30°C~70°C levelsof protection IP67 -9- Videoinput 720P/1080PAll support Videooutput1080P 三、Distancemeasurementmodule Triggerthereversesignal,forciblyswitchtotherearviewreversing monitoringscreen,displaycharactersatthetopofthescreen(the reversingscaleisturnedoffbydefault,andcanbeturnedon),andthe reversingradarstartstorange,andtherangingrangeis0.4m-2m.When thedistanceislessthan0.4m,"STOP"voicepromptisdisplayedtostop, real-timebroadcastbetween0.4-1.6mandthedataisdisplayedbetween 1.6mand2m. 四、Disclaimer TheinformationprovidedinthemanualofvehicleDVRdisplayisfor referenceonly.Usersrefertakethephysicalobjectduringuse.Weare notliableforanyfineortrafficaccidentcausedbytheuseofthis product. CarDVRdispla…

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-CHEQIELECTRONICS- FederalCommunicationsCommission AuthorizationandEvaluationDivision EquipmentAuthorizationBranch 7435OaklandMillsRoad Columbia,MD21046 9/12/24 U.S.AgentDesignation CHEQIELECTRONICSacknowledgestheirconsentforthefollowingcontactlocatedintheUnitedStatestoactas theiragentforserviceofprocessfortheequipmentforwhichauthorizationissought(FCCID:2BKXJCQCQDZ): NameandcompanyofU.S.agent:AOCECorporationInc. PhysicalU.S.addressofagent:6547NAcademyBivd#2266Springs,CO80918UnitedStates FRNofU.S.agent:0033401381 EmailaddressofU.S.agent:[email protected] AOCECorporationInc.acknowledgestheirobligationtoacceptserviceofprocessonbehalfof CHEQIELECTRONICS. CHEQIELECTRONICSwiththeFRN0035929116acceptsitsobligationtomaintainanagentforserviceof processintheUnitedStatesfornolessthanoneyearaftereitherthegranteehaspermanentlyterminatedall marketingandimportationoftheapplicableequipmentwithintheU.S.,ortheconclusionofanyCommission- relatedadministrativeorjudicialproceedinginvolvingtheequipment,whicheverislater. Bysigningthisform,weconfirmtheaboveandthatweareawareoftheapplicationrequirementslistedunder§ 2.911(d)(7). TheinformationprovidedinthisletterisbasedonthereferencedrulepartsofTitle47oftheCFRaswellasKDB 986446D01. Anexpirationdateforthisletterdoesnotexist.IncasetheU.S.agentchanges,thegranteeisobligatedtonotify theFCCwithin30daysviathegrantingTCB. Sincerely, Signature xiaoruiyang Manager CHEQIELECTRONICS Signature JohnsonWang PM AOCECorporationInc. 4 8 _ [ m o d e l ] U S _ A g e n t _ 2 . 9 1 1 ( d ) ( 7 ) - U , V 0 5

Covered Equipment Attestation Letter For Certification Service in the USA Federal Communications Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Section 2.911(d)(5)(i)-(ii) of the Commission’s Rules (47 C.F.R.) we attest as follows for the product listed below: FCC ID Model name 2BKXJCQCQDZ CQ-MK8208A-TX-3DB We, Applicant Company Name: CHEQIELECTRONICS Address: No. 70, fourth street, Keyuan, Jiulongpo district, Chongqing 1-2 400000, China Phone: +86-23-68623207 certify that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. This includes the cybersecurity and anti-virus software produced or provided by Kaspersky Lab, Inc.. We certify that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. If you have any questions, please feel free to contact us at the address shown below. Sincerely, 2024-09-12 Signature Date Name / Title: Xiaorui Yang / Manager Company: CHEQIELECTRONICS Address: No. 70, fourth street, Keyuan, Jiulongpo district, Chongqing 1-2 400000, China Phone: +86-23-68623207 Fax: +86-23-68623207 E-Mail: [email protected]

Confidentiality Request Letter For Certification Service in the USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Paragraphs §0.457 and 0.459 of the Commission’s Rules (47 C.F.R.) and Section §552(b)(4) of the Freedom of Information Act, we request confidentiality for the documentation of the following products: FCC ID Model name 2BKXJCQCQDZ CQ-MK8208A-TX-3DB For the products listed above, we request permanent confidentiality for all applicable exhibits as there are: • the Operational Description • the Block Diagram • the Schematics • the Part List • the Tune up Information The above listed exhibits contain trade secrets and proprietary information that could be of benefit to our competitors. If you have any questions, please feel free to contact us at the address shown below. Sincerely, 2024-09-12 Signature Date Name / Title: Xiaorui Yang / Manager Company: CHEQIELECTRONICS Address: No. 70, fourth street, Keyuan, Jiulongpo district, Chongqing 1-2 400000, China Phone: +86-23-68623207 Fax: +86-23-68623207 E-Mail: [email protected]

Page1of4FCCID:2BKXJCQCQDZ ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity ExternalPhotosoftheEUT Fig.1 Fig.2 Page2of4FCCID:2BKXJCQCQDZ ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Fig.3 Fig.4 Antenna Page3of4FCCID:2BKXJCQCQDZ ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Fig.5 Fig.6 Page4of4FCCID:2BKXJCQCQDZ ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Fig.7

Page1of1FCCID:2BKXJCQCQDZ ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity LABELANDLOCATION (Size:L3.0cmxW2.0cm) LabelLocation transmitmodules Model:CQ-MK8208A-TX-3DB FCCID:2BKXJCQCQDZ

Page1of4FCCID:2BKXJCQCQDZ ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity InternalPhotosoftheEUT Fig.1 Fig.2 Page2of4FCCID:2BKXJCQCQDZ ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Fig.3 Fig.4 Page3of4FCCID:2BKXJCQCQDZ ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Fig.5 Fig.6 Page4of4FCCID:2BKXJCQCQDZ ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Fig.7 Fig.8

Page1of3FCCID:2BKXJCQCQDZ ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity MaximumPermissibleExposureReport 1.ProductInformation FCCID:2BKXJCQCQDZ EUT:transmitmodules TestModel:CQ-MK8208A-TX-3DB PowerSupply:Input:DC12V HardwareVersion:REV:2.0 SoftwareVersion:REV:2.0 2.4G FrequencyRange:2408MHz~2478MHz ChannelNumber:79channels ModulationType:GFSK AntennaDescription:ExternalAntenna,3.02dBi(Max.) Exposurecategory:Generalpopulation/uncontrolledenvironment EUTType:ProductionUnit DeviceType:MobileDevices 2.EvaluationMethod SystemsoperatingundertheprovisionsofFCC47CFRsectionshallbeoperatedinamannerthatensures thatthepublicisnotexposedtoradiofrequencyenergylevelinexcessoftheCommission’sguidelines. Inaccordancewith47CFRFCCPart2SubpartJ,section2.1091thisdevicehasbeendefinedasmobile devicewherebyadistanceof0.2mnormallycanbemaintainedbetweentheuserandthedevice,andbelow RFPermissibleExposurelimitshallcomplywith. InaccordancewithKDB447498D01forSimultaneoustransmissionMPEtestexclusionapplieswhenthe sumoftheMPEratiosforallsimultaneoustransmittingantennasincorporatedinahostdevice,basedonthe calculated/estimated,numericallymodelledormeasuredfieldstrengthsorpowerdensity,is≤1.0.TheMPE ratioofeachantennaisdeterminedattheminimumtestseparationdistancerequiredbytheoperating configurationsandexposureconditionsofthehostdevice,accordingtotheratiooffieldstrengthsorpower densitytoMPElimit,atthetestfrequency.Eitherthemaximumpeakorspatiallyaveragedresultsfrom measurementsornumericalsimulationsmaybeusedtodeterminetheMPEratios.Spatialaveragingdoes notapplywhenMPEisestimatedusingsimplecalculationsbasedonfar-fieldplane-waveequivalent conditions.Theantennainstallationandoperatingrequirementsforthehostdevicemustmeettheminimum testseparationdistancesrequiredbyallantennas,inbothstandaloneandsimultaneoustransmission operations,tosatisfycompliance. Page2of3FCCID:2BKXJCQCQDZ ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity 3.Limit 3.1ReferEvaluationMethod ANSIC95.1–2019:IEEEStandardforSafetyLevelswithRespecttoHumanExposuretoElectric,Magnetic, andElectromagneticFields,0Hzto300GHz FCCKDBpublication447498D01General1RFExposureGuidancev06:MobileandPortableDevicesRF ExposureProceduresandEquipmentAuthorizationPolicies. FCCCFR47part11.1310:Radiofrequencyradiationexposurelimits. FCCCFR47part22.1091:Radiofrequencyradiationexposureevaluation:mobiledevices. 3.2Limit LimitsforMaximumPermissibleExposure(MPE)/ControlledExposure Frequency Range(MHz) ElectricField Strength(V/m) MagneticField Strength(A/m) PowerDensity (mW/cm²) AveragingTime (minute) LimitsforOccupational/ControlledExposure 0.3–3.0 3.0–30 30–300 300–1500 1500–100,000 614 1842/f 61.4 / / 1.63 4.89/f 0.163 / / (100)* (900/f 2 )* 1.0 f/300 5 6 6 6 6 6 LimitsforMaximumPermissibleExposure(MPE)/UncontrolledExposure Frequency Range(MHz) ElectricField Strength(V/m) MagneticField Strength(A/m) PowerDensity (mW/cm²) AveragingTime (minute) LimitsforOccupational/UncontrolledExposure 0.3–3.0 3.0–30 30–300 300–1500 1500–100,000 614 824/f 27.5 / / 1.63 2.19/f 0.073 / / (100)* (180/f 2 )* 0.2 f/1500 1.0 30 30 30 30 30 F=frequencyinMHz *=Plane-waveequivalentpowerdensity 4.MPECalculationMethod PredicationofMPElimitatagivendistance Equationfrompage18ofOETBulletin65,Edition97-01 S=PG/4πR² Where:S=powerdensity P=powerinputtoantenna G=powergainoftheantennainthedirectionofinterestrelativetoanisotropicradiator R=distancetothecenterofradiationoftheantenna 5.AntennaInformation EUTcanonlyuseantennascertificatedasfollowsprovidedbymanufacturer; Internal Identification Antennatypeand antennanumber Operatefrequency band Maximumantenna gain Note AntennaExternalAntenna2408MHz~2478MHz3.02dBi2.4GAntenna Page3of3FCCID:2BKXJCQCQDZ ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity 6.ConductedPower [2.4G] ModeChannelFrequency(MHz) PeakConductedOutput Power(dBm) GFSK 1240814.99 10244514.99 19247814.46 7.ManufacturingTolerance <2.4G> GFSK(Peak) Channel Channel1Channel10Channel19 Target(dBm)14.014.014.0 Tolerance±(dB)1.01.01.0 8.MeasurementResults AsdeclaredbytheApplicant,theEUTisawirelessdeviceusedinafixapplication,atleast20cmfromany bodypartoftheuserornearbypersons;fromthemaximumEUTRFoutputpower,theminimumseparation distance,r=20cm,aswellasthegainoftheusedantennarefertoantennainformation,theRFpower densitycanbeobtained. [2.4G] ModulationType Outputpower Antenna Gain (dBi) Antenna Gain (linear) MPE (mW/cm2) MPE Limits (mW/cm2) dBmmW GFSK15.031.62283.022.00450.01261.0000 Remark: 1.Outputpowerincludingtune-uptolerance; 2.Outputpowerwasadjusttodutycycleat100%ifmeasureddutycyclelessthan98%; 3.MPEevaluatedistanceis20cmfromusermanualprovidebymanufacturer. 9.Conclusion ThemeasurementresultscomplywiththeFCCLimitper47CFR2.1091fortheuncontrolledRFExposureof mobiledevice. ----------------THEENDOFREPORT---------------

BW258GJWX50-10WJ FPC\PCB\弹簧\金属\胶棒\吸盘等RF天线研发定制销售 www.batwireless.com 第 1 页共 10 页 产品规格承认书 Productspecifications acknowledgment 承认厂商： (Recognizedmanufacturers) 制造厂商： Shenzhen Bat Wireless Technology Co.. Ltd. （ Manufacturer ） 产品名称： 2.4G5.8G双频胶棒天线 （ Description ） 产品选型表： （ ProductType ） 型号说明备注 BW258GJWX50-10WJ 内螺内针 供应商承认签栏 制表者审核者核准者 客户承认栏 审核者核准者 Address: 1409, Building A, Zhiyun OneIndustrial Park, No.13 HuaxingRoad, Henglang Community, DalangStreet, Shenzehn, Guangdong, China BW258GJWX50-10WJ FPC\PCB\弹簧 \金属 \胶棒 \吸盘等RF 天线研发定制销售 www.batwireless.com 第 2 页共 10 页 1.1Specifications 天线型号AntennasType BW258GJWX50-10WJ 频率范围FrequencRange(MHz)2400-25004800-5900 输入阻抗InputImpendence(Ω) 50 Ω 电压驻波比V.S.W.R <2 增益Gain(dBi) 3.02dBi 极化形式PolarizationType垂直Vertical 功率容量PowerCapacity(w)50 雷电保护LingtningProtection None 工作电压DCVoltage（V） None 天线尺寸Dimension（mm ）50φ10mm 接口形式/ConnectorType:可折SMA 内螺内针 电缆型号Cabletype （mm ） None 电缆长度Cablelength(mm) None 辐射体Radiator 天线颜色Color黑色Black 重量Weight(g) None 工作温度OperatingTemperature（°C）-40~80 储藏温度StorageTemperature（°C）-20~85 * * 注：以上数据仅供参考；因天线功能较为敏感，主体周边机构有变更请通知我们评估。 注：以上数据仅供参考；因天线功能较为敏感，主体周边机构有变更请通知我们评估。 BW258GJWX50-10WJ FPC\PCB\弹簧\金属\胶棒\吸盘等RF天线研发定制销售 www.batwireless.com 第 3 页共 10 页 1.2AntennaPicture 上图型号：BW258GJWX50-10WJ （可定制） * * 注： 注： 因天线功能较为敏感，主体周边机构有变更请通知我们评估。 因天线功能较为敏感，主体周边机构有变更请通知我们评估。 BW258GJWX50-10WJ FPC\PCB\弹簧\金属\胶棒\吸盘等RF天线研发定制销售 www.batwireless.com 第 4 页共 10 页 2. Electrical Electrical Specification Specification 2.1TestEquipment A.VSWRandinputimpedance:Agilent8753/E5071NetworkAnalyzer B.Antennagainandefficiency:ETSthree-dimensionalanechoicchamber 2.2TestSetup 2.2.1FrequencyRange 2.2.2VSWR Step1:Theantennaisarrangedonthecustomerprovidedtestfixture. Step2:TheVSWRoftheantennaismeasuredviaAgilent8720/8753NetworkAnalyzer(seefigure.1). Figure.1 2.2.3RadiationpatternandGain A.The3Dchamberprovideslessthan-40dBreflectivityfrom800MHzto6GHzanda40cmdiameter sphericalquietzone.Themeasurementresultsarecalibratedusingbothdipolesandstandardgain horns(seefigure.2). B.Theantennaundertestedisarrangedintheturnedtableandadecouplingsleeveisusedtoreduce feedlineradiation(seefigure.3). C.Themeasuredresultsoftheradiationpatternsandantennagainareobtainedfromthecontrol systemandshowedonthemonitor(seefigure.4and5). BW258GJWX50-10WJ FPC\PCB\弹簧\金属\胶棒\吸盘等RF天线研发定制销售 www.batwireless.com 第 5 页共 10 页 Figure.2Figure.3 Figure.4 Figure.5 BW258GJWX50-10WJ FPC\PCB\弹簧\金属\胶棒\吸盘等RF天线研发定制销售 www.batwireless.com 第 6 页共 10 页 3.PerformanceData 3.1Passivedata VSWR（电压驻波比）/ReturnLoss（回波损耗）/SmithChart（史密斯圆图） BW258GJWX50-10WJ FPC\PCB\弹簧\金属\胶棒\吸盘等RF天线研发定制销售 www.batwireless.com 第 7 页共 10 页 * * 注：以上为实测数据，仅供参考；因天线功能较为敏感，主体周边机构有变更请通知我们评估。 注：以上为实测数据，仅供参考；因天线功能较为敏感，主体周边机构有变更请通知我们评估。 BW258GJWX50-10WJ FPC\PCB\弹簧\金属\胶棒\吸盘等RF天线研发定制销售 www.batwireless.com 第 8 页共 10 页 4. Mechanical Mechanical Specification Specification 4.1AssemblyDrawing BW258GJWX50-10WJ FPC\PCB\弹簧\金属\胶棒\吸盘等RF天线研发定制销售 www.batwireless.com 第 9 页共 10 页 BW258GJWX50-10WJ FPC\PCB\弹簧\金属\胶棒\吸盘等RF天线研发定制销售 www.batwireless.com 第 10 页 共 10 页 5.免责声明(Disclaimer)： 本着为用户提供更好服务的原则，深圳市蝙蝠无线技术限公司（下称“蝙蝠无线”）在本手册中将尽可能地为用户 呈现详实、准确的产品信息。但介于本手册的内容具有一定的时效性，蝙蝠无线不能完全保证该文档在任何时段的时效性 与适用性。蝙蝠无线有权在没有通知的情况下对本手册上的内容进行更新，恕不另行通知。为了得到最新版本的信息，请 尊敬的用户定时访问蝙蝠无线官方网站或者与蝙蝠无线工作人员联系。感谢您的包容与支持！ Inordertoprovideouruserswithbetterservice,ShenzhenBatWirelessTechnologyCo.,Ltd(hereinafter referredtoasBatWireless)willtrytopresentasdetailedandaccurateproductinformationaspossiblein thismanual.However,duetothetimelinessofthemanualcontent,BatWirelessshallnotabsolutelyguarantee theunlimitedtimelinessandapplicabilityofthefile.BatWirelesshastherighttoupdatethemanualcontent withoutfurthernotice.Togetthelatesteditioninformation,plsvisittheofficialwebsiteofBatWireless orcontactourcustomerservicestaff.Thanksforyourtrustandsupport!

Page 1 of 34 FCCID:2BKXJCQCQDZReportNo.:LCSA07234217EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity FCCTESTREPORT FOR CHEQIELECTRONICS transmitmodules TestModel:CQ-MK8208A-TX-3DB Preparedfor:CHEQIELECTRONICS Address:No.70,fourthstreet,Keyuan,Jiulongpodistrict,Chongqing1-2, China Preparedby:ShenzhenLCSComplianceTestingLaboratoryLtd. Address: 101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei, ShajingStreet,BaoanDistrict,Shenzhen,518000,China Tel:(+86)755-82591330 Fax:(+86)755-82591332 Web:www.LCS-cert.com Mail:[email protected] Dateofreceiptoftestsample:August01,2024 Numberoftestedsamples:2 SampleNo.:A240801008-1,A240801008-2 Serialnumber:Prototype DateofTest:August01,2024~September02,2024 DateofReport:September04,2024 Page 2 of 34 FCCID:2BKXJCQCQDZReportNo.:LCSA07234217EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity FCCTESTREPORT FCCCFR47PART15C(15.247) ReportReferenceNo......................:LCSA07234217EA DateofIssue.......................................:September04,2024 TestingLaboratoryName..............:ShenzhenLCSComplianceTestingLaboratoryLtd. Address................................................: 101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei, ShajingStreet,BaoanDistrict,Shenzhen,518000,China TestingLocation/Procedure............ : FullapplicationofHarmonisedstandards■ PartialapplicationofHarmonisedstandards□ Otherstandardtestingmethod□ Applicant’sName.............................:CHEQIELECTRONICS Address................................................: No.70,fourthstreet,Keyuan,Jiulongpodistrict,Chongqing1-2, China TestSpecification Standard..............................................:FCCCFR47PART15C(15.247) TestReportFormNo.........................:TRF-4-E-148A/0 TRFOriginator....................................:ShenzhenLCSComplianceTestingLaboratoryLtd. MasterTRF.........................................:Dated2011-03 ShenzhenLCSComplianceTestingLaboratoryLtd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongasthe ShenzhenLCSComplianceTestingLaboratoryLtd.isacknowledgedascopyrightownerandsourceofthe material.ShenzhenLCSComplianceTestingLaboratoryLtd.takesnoresponsibilityforandwillnot assumeliabilityfordamagesresultingfromthereader'sinterpretationofthereproducedmaterialduetoits placementandcontext. TestItemDescription.....................:transmitmodules TradeMark..........................................: N/A TestModel...........................................: CQ-MK8208A-TX-3DB Ratings.................................................: Input:DC12V Result..................................................:Positive Compiledby:Supervisedby:Approvedby: MartinLee/AdministratorCaryLuo/TechniqueprincipalGavinLiang/Manager Page 3 of 34 FCCID:2BKXJCQCQDZReportNo.:LCSA07234217EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity FCC--TESTREPORT TestResult Positive Thetestreportmerelycorrespondstothetestsample. Itisnotpermittedtocopyextractsofthesetestresultwithoutthewrittenpermissionofthetestlaboratory. TestReportNo.:LCSA07234217EA September04,2024 Dateofissue TestModel.............................. : CQ-MK8208A-TX-3DB EUT......................................... : transmitmodules Applicant...............................:CHEQIELECTRONICS Address...................................:No.70,fourthstreet,Keyuan,Jiulongpodistrict,Chongqing1-2,China Telephone...............................: / Fax..........................................:/ Manufacturer.........................:CHEQIELECTRONICS Address...................................: No.70,fourthstreet,Keyuan,Jiulongpodistrict,Chongqing1-2,China Telephone...............................: / Fax..........................................:/ Factory...................................: CHEQIELECTRONICS Address...................................:No.70,fourthstreet,Keyuan,Jiulongpodistrict,Chongqing1-2,China Telephone...............................:/ Fax..........................................:/ Page 4 of 34 FCCID:2BKXJCQCQDZReportNo.:LCSA07234217EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity RevisionHistory ReportVersionIssueDateRevisionContentRevisedBy 000September04,2024InitialIssue--- Page 5 of 34 FCCID:2BKXJCQCQDZReportNo.:LCSA07234217EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity TABLEOFCONTENTS DescriptionPage 1.GENERALINFORMATION...........................................................................................6 1.1DescriptionofDevice(EUT)...................................................................................................6 1.2SupportequipmentList...........................................................................................................7 1.3ExternalI/OCable..................................................................................................................7 1.4DescriptionofTestFacility.....................................................................................................7 1.5Statementoft…

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Page 1 of 28 FCCID:2BKXJCQCQDZReportNo.:LCSA07234217EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity AppendixA RFTestDatafor2.4G(ConductedMeasurement) ProductName:transmitmodules TestModel:CQ-MK8208A-TX-3DB EnvironmentalConditions Temperature: 23.8  C RelativeHumidity:52.3% ATMPressure:100.0kPa TestEngineer:PaddiChen Supervisedby:NickPeng Page 2 of 28 FCCID:2BKXJCQCQDZReportNo.:LCSA07234217EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity A.1-20dBBandwidth ConditionModeFrequency(MHz)Antenna-20dBBandwidth(MHz)Limit-20dBBandwidth(MHz)Verdict NVNT2.4G2408Ant14.363N/APass NVNT2.4G2445Ant14.372N/APass NVNT2.4G2478Ant14.34N/APass Page 3 of 28 FCCID:2BKXJCQCQDZReportNo.:LCSA07234217EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity TestGraphs -20dBBandwidthNVNT2.4G2408MHzAnt1 -20dBBandwidthNVNT2.4G2445MHzAnt1 Page 4 of 28 FCCID:2BKXJCQCQDZReportNo.:LCSA07234217EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity -20dBBandwidthNVNT2.4G2478MHzAnt1 Page 5 of 28 FCCID:2BKXJCQCQDZReportNo.:LCSA07234217EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:webmaster…

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