Band: EGSM 900/DCS 1800/PCS 1900MHZ GSM/GPRS: Phase 2+Compliance Support SIM Interface: 3V Dimension: 55.5 x 40 x 5.95 mm Weight: 13g Operation Voltage: 3.2V~4.2V Power Consumption -- Speech mode: 230 mA (Min.), 260mA (Max.) -- Standby mode: < 6mA (paging rate 2), < 3mA (paging rate 9) at GSM 900MHZ -- GPRS: 250 mA (Max.) Software Interface: -- GSM Rec.27.07 -- GSM Rec.27.05 -- ITU-T Rec.V25ter -- ITU-T Rec.T.32 Hardware Output: 44 Pins female connector interface