Auto-Run———There is no need CD Drivers.It is plug&play.Very Convinient.  

                           
1. Supports EDGE/GPRS Dual-band:900/1800Mhz.

2. EDGE multi-slot class 12 (up to 4TX, 4RX, 5 total), up to 460.8kbps

3. External removable antenna.

4. Operating System: Windows2000/XP/Vista

5. Control via AT-Command (GSM 07.07, 07.05 and enhanced AT Commands)

6. Interface: USB Port

7. SIM application toolkit

8. Supply voltage range 5V

9. Low power consumption