Chip：Qualcomm QSC6085
Network Type：CDMA EVDO Rev.A
Work Band：CDMA 800/1900Mhz
Max Downlink：3.1Mbps
Max Uplink：1.8Mbps
Interface：USB 2.0
Work Voltage：5V
Work Current：500mA
Dimesion：86.4*25.6*12.3mm (L*W*H)
Work Tep：-20℃-55℃
Weight：30g
Operator System：WINDOWS 2000/XP/VISTA
Other Feature：Voice Communication,Message Sending。Plug in and Automatic installation at the first time application。