大量現貨供應明基拆機模塊，成色較新，無維修過，有需要者請洽談，QQ114936236,TEL:13665223887 BenQ長期耕耘于資訊產業，擁有廣博的科技、豐富的生產經驗和開闊的眼界,并專注于通訊、多媒體及電腦外設應用領域.目前其推出的無線通信模塊借助于其雄厚的開發實力和豐富的生產經驗，已經迅速地得到了國內車載電話、無線公話、智能抄表、GPRS系統商等客戶的認同。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