Modem Chipset : MSM5500(CDMA2000 1xEV-DO)
Radio Frequency :  
                                Band :800 MHz
                                          RX : 889 ~894 MHz
                                          TX : 824 ~ 849 MHz
                                 RX Sensitivity : -106 dBm
Dimensions : 78mm x 26mm x 12mm
Environmental : Storage : -30 ~ +75℃ rating :  / Operating : - -20 ~ +50
Power Consumption : Max < 600mA / Idle < 250mA / Sleep < 10mA
                                        Operating Voltage : 5.0VDC (USB Port)
Data Options : Packet data, Async data, Tow- -way SMS, Quick Net Connect
Data Rate : 
         Forward Link : Up to 2.4Mbps
         Reverse Link : Up to 153Kbs
Hardware Interface : USB connection
Software Interface : IS- -707 AT Command set and STWTech extended AT command set
                                    IS- 683A compliant over -air download/update capabilities
O/S Support : Windows 2000/XP/ME
Option : R -UIM Support