SIM340CFeatures qQuadBandGSM/GPRS850/900/1800/1900MHz qComplianttoGSMphase2/2+ qGPRSClass10 qOutputpower:Class42WforGSM850/EGSM900 Class21WforGSM1800/GSM1900 qControlviaATcommands qTCP/IPstack qSIMapplicationtoolkit qSupplyvoltagerange:3.4-4.5VDC qTemperaturerange:-30℃to+70℃(operationalfunctionality) -40℃to+85℃(storagetemperature) qDimensions:50x33x6.2mm qWeight:13.8g qVoice:FR/EFR/HR/AMR,noisesuppressionandechocancellation PCMaudio,Emergencycalls qSMS:TextandPDUmode,Pointtopoint(MO/MT),Cellbroadcast qDATA:nontransparent,CSDupto14.4kbps,USSD, qInterfaces:2xUARTs,RFconnector,60pinsystemconnector, SIMcardinterface,KeypadandLCD,etc.Accessories qGSM/GPRSantennas q60pinsystemconnector qSIMcardholder qU.FLtoSMARFcable