1:Tri-band GSM900/1800/1900MHZ NETWORK 2:Utmost transfer data speed 236.8 kbps 3:Support CS1-CS4,MCS1-MCS9 coding Express Card slot, play online ASAP plugging flexible antenna 4:GRPS/EDGE alwayse online in the website anytime. 5:Serch the network automatic Receive and send message, call and receive phone function ETC 6:Easy to install and use,log in quickly 7:Supports WINDOWS 2000/NT/XP/Vista Optimize power supply management Low power conumption extend battery life