Support HSDPA/UMTS2100MHz.            EDGE/GPRS/GSM850/900/1800/1900MHz/
Qualcomm 6280
Max: 7.2 Mbps downlink and 1.8Mbps uplink
HSDPA network always-on, users maintain contact with the network at any time
Mini USB standard interface, support hot-swappable plug-and-play
With TF card slot, support 4GB
Supports Data/SMS functions,Support  voice
Support Internet traffic statistics history
Operating System: Windows2000/2003/XP/Vista,Windows 7,Mac OS,Linux
Built-in Driver, automatic installation
With IMEI number
Receiving Sensitivity: under -104dBm
Storage temperature: -20°C ~+55°C;
working temperature: -30°C ~ +65°C
Humidity: ≤93%  
Dimensions: 8.7*2.5*1.2CM
N.W / G.W: 28g / 95g