价格:未填
供应:99999
发货:3天内
Generalfeatures Specificationsforvoice Dual-band/GSM/GPRS900/1800MHz Tricodec Quad-BandGSM/GPRS 850/900/1800/1900MHzHalfrate(HR ComplianttoGSMphase2/2+ Fullrate(FR) Outputpower: Enhancedfullrate(EFR) Class4(2W)forGSM850,EGSM900 Hands-freeoperation(Echosuppression Class1(1W)forDCS1800,PCS1900 AMR Supplyvoltagerange3.5V--5VHalfrate(HR) ControlViaATcommandFullrate(FR) SIMApplicationToolkit LowPowerconsumption Dimensions:40.4x30x2.85mm Specificationsfordata Weight:7.5g PBCCHsupport 60-pinBoard-to-Boardconnector GPRSclass10:max.85.6Kbps UltraLowcostsolution (Downlink) Operationtemperature: 25 C--+70 C CodingschemesCS1,2,3,4 CSDupto14.4kbpsInterfaces PPP-stack InterfacetoexternalSIM3V/1.8V USSD Twoanalogaudiointerfaces Nontransparentmode RTCbackup Serialinterfaceanddebuginterface LCDinterfaceApplications Keypadinterface Fixwirelessterminal Antennaconnectorandantennapad Fixwirelessphone PDAPhoneSpecificationsforSMSviaGSM POSTerminal Point-to-pointMOandMT SMScellbroadcast TextandPDUmode