1. Chipset: Philips 5209

2.Support network :EDGE, compatible with GPRS/GSM

3. work band: GSM 900/1800MHz

4..Series: EDGE: 10-level GPRS: 10-level

5. Card separation: SIM card can insert and pull out the network card freely

6.interface: 2.0 USB port

7.Temperature range: -30oC to +65oC(Storage temperature) 

                   -20oC to +75oC (opration condition)

8.Relative Humidity: 10% ～ 90%

9.Operating Voltage: DC 5V +/- 5%

10.velocity: Maximum 460.8 Kbps

11.Compatible systems: Windows 2000/XP/Vista