... on Enfora module EDG0108 quad-band internet,voice,sms, stk Express EDGE Network Card Wireless access to internetWorkable all over the ... multi- frequencies function (DTMF)Send and receive SMS, data, e-mail and voiceAlways on-lineInput voltage: 5VStandby current: 5mAWorking current: 100 ... 60Storage temperature: -30 to 85Size:82x53x5mmWeight:22gAccessories: earphone, antenna, CD Express EDGE Card