大量現(xiàn)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(yè)，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(fā)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(tǒng)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