大量现货供应明基拆机模块，成色较新，无维修过，有需要者请洽谈，QQ114936236,TEL:13665223887 BenQ长期耕耘于资讯产业，拥有广博的科技、丰富的生产经验和开阔的眼界,并专注于通讯、多媒体及电脑外设应用领域.目前其推出的无线通信模块借助于其雄厚的开发实力和丰富的生产经验，已经迅速地得到了国内车载电话、无线公话、智能抄表、GPRS系统商等客户的认同。ModelM23AProductFeatureTri-BandGSM/GPRSmodule:EGSM900/DCS1800/PCS1900CompliantwithGSMPhase2+standardControlviaATcommandsSupplyVoltagerangefrom3.3vto4.2vVoiceHR/FR/EFRNoisededuction,echocancellationTelephonyEmergencyCallDualToneMultiFrequencyFunction(DTMF)ShortMessageService(SMS)DeliveryReportPointtopointMT/MOCellBroadcastGSMCircuitSwitchedDataAsynchronousTransparent/non-transparentUpto14.4kbpsGPRSPacketDataGPRSClassBGPRSMulti-slotClass44slotdownlink(86.6kbps),2slotuplink(42.8kbps)max5slotCodingSchemes:CS1toCS4SupplementaryServicesNumberidentificationCallforwarding(CallDivert)CallcompletionMultiPartyChargingCallbarringInterfaceAntennaInterfaces:RFconnectorsupportcoaxialcableRFpadssupportRFcablesoldering44-pinB2Bconnectorincluding:UART/RS232SIM(1.8V/3V)GeneralPurposeI/OsAnalogaudioinput/outputPowersupplyconnectionATcommandsetaccordingtoGSM27.05,27.07GeneralInformationDimension:55.5x40x5.95mmWeight:15gOperatingTemperature:-20~+60 CFunctionalTemperature:-20~+70 CStorageTemperature:-40~+85 C