Generalfeatures: Dual-BandEGSM900andGSM1800 ComplianttoGSMphase2/2+ Outputpower: Class4(2W)forEGSM900 Class1(1W)forGSM1800 ControlviaATcommands SIMApplicationToolkit MultiplexRS232interface Supplyvoltagerange3.3...4.8V Powersavemode Powerconsumption: Idlemode(registered)25mA Speechmode300mA Peak 2.5A Powerdown50 A Sleepmode3.5mA Dimensions:54.5x36x3.6mm Weight:9g Ambienttemperature: 20 C...+55 CSpecificationsfordatatransfer: CSDupto14.4kbps USSD Nontransparentmode V.110 7E1-characterframingSpecificationsforSMS: Point-to-pointMOandMT SMScellbroadcast TextandPDUmodeSpecificationsforfax: Group3,class1,2Specificationsforaudio: Halfrate(HR) Fullrate(FR) Enhancedfullrate(EFR) Basichandsfreeoperation Echocancellation NoisereductionAdditionalfeatures: Phonebook Multipartycall Calldiverting Realtimeclock Alarmmanagement Severalringingtones DTMF(DualToneMultiFrequency)