大量現(xiàn)貨供應(yīng)明基拆機(jī)模塊，成色較新，無(wú)維修過(guò)，有需要者請(qǐng)洽談，QQ114936236,TEL:13665223887 BenQ長(zhǎng)期耕耘于資訊產(chǎn)業(yè)，擁有廣博的科技、豐富的生產(chǎn)經(jīng)驗(yàn)和開(kāi)闊的眼界,并專(zhuān)注于通訊、多媒體及電腦外設(shè)應(yīng)用領(lǐng)域.目前其推出的無(wú)線(xiàn)通信模塊借助于其雄厚的開(kāi)發(fā)實(shí)力和豐富的生產(chǎn)經(jīng)驗(yàn)，已經(jīng)迅速地得到了國(guó)內(nèi)車(chē)載電話(huà)、無(wú)線(xiàn)公話(huà)、智能抄表、GPRS系統(tǒng)商等客戶(hù)的認(rèn)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