HighSensitivityFM/FSKreceiverModule TheHTL6869seriesVHFbanddatareceiverisanidealdesignmoduleusedforPager,PDA,wirelesssignboard.CarSecuritySystem,andRemotecontroller,etc.wirelessapplications. MainFunction Completewith3crystalsdesign WideFrequencyRangefrom138MHz-174MHz,278MHZ-284MHZ,300MHZ-490MHZ POCSAG,NEC,Golay,andany2Leverformats Dataratefrom300bpsto4800bps IncludeAGCcircuit(AutoGainController) Highsensitivity Lowpowerconsume Powersavingselect LowVoltalarm Wideoperatetemperaturefrom 20℃-+70℃ Smallsize Specification descriptionPartNo:500XS150Frequencystability10ppmat25℃(5ppmoption)Operationfrequency138 174MHz 278MHz 284MHz300MHZ-490MHZDataRate300bpsto4.8KbpsModulation 4.5KFSKNRZChannelspacing5Khz/10Kh/12.5Khz/25Khzsensitivity-115dbmwithloopantenna,-121dbmwithcabledirectSelectivity 60dBImageresponserejection 50dBSpuriousresponse 55dBWorkingVoltageDC3V 10%PowerconsumptionBatterysavingON600uA/hrs/B/SOFF2.15mA/hrsWorkingtemperaturerange-20to +70℃Modulesize46mm*22mm*12mmWeight4grams Up dateJan.2004page1 PinDescription Pin﹟NameDescriptionRemark1GNDSystemgroundPowersourcegroundanddataground2AlarmLowbatteryvoltalarmIflowvoltalarmnottousingthispinNC3DataReceiveddataoutputPlusaresistor10KohmtoVcc1****IfVcc1=3Vthedataoutputlogic1=3V**IFVcc1=5Vthedataoutputlogic1=5V4BS1BatterysavingThispindirectconnecttoPin﹟5(VCC)forreceiveractive,thispinconnecttoGNDforreceiverOff5VCCPowersupplyDC1.5V-3.0VPowersourceDC1.5V-3.3VMax5mA6BS2 PinLeadsize:1.27mm6pinsingle