BenQM23G/M23A模块特性： GSM/GPRSClass10三频模块 符合ETSIGSMphase2+ 通讯功能：支持GSM语音，数据，传真，短消息及GPRS数据传输等 软件支持标准ATcommand(3GPP27.07/27.05)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