Frequency band: 800Mhz

* Wireless Network: CDMA 2000 1X

* Operating System: Windows 2000, XP , Vista

* Interface: USB 2. 0 compliant and 1. 1 compatible

* Power Supply: USB powered (4. 5V ~ 5. 5V)

* Speed Rate: 230. 4kbps(maximum)

* Dimension: 74*48*16(mm)