MC55Features qTriBandGSM/GPRS900/1800/1900MHz qComplianttoGSMphase2/2+ qGPRSClass10 qOutputpower:Class42WforEGSM900 Class21WforGSM1800/GSM1900 qControlviaATcommands qTCP/IPstack qSIMapplicationtoolkit qSupplyvoltagerange:3.3-4.8VDC qTemperaturerange:-20℃to+55℃(operationalfunctionality) -40℃to+85℃(storagetemperature) qDimensions:35x32.5x3.1mm qWeight:5.5g qVoice:FR/EFR/HR/AMR,noisesuppressionandechocancellation PCMaudio,Emergencycalls qSMS:TextandPDUmode,Pointtopoint(MO/MT),Cellbroadcast qDATA:nontransparent,CSDupto14.4kbps,USSD, qInterfaces:2xUARTs,RFconnector,50pinsystemconnector, SIMcardinterface,KeypadandLCD,etc.Accessories qGSM/GPRSantennas q50pinsystemconnector qFlatcableforconnector qSIMcardholder qU.FLtoSMARFcable