1.network:EVDO/CDMA1x: 800Mhz or 1900Mhz or 800/1900MHz 2.Speed rate: 2.4Mbps download, 153kbps upload

1. EVDO/CDMA1x: 800Mhz or 1900Mhz or 800/1900MHz2. Speed rate: 3.1Mbps download, 2.4Mbps upload3. Support Data, Two Way SMS, Email, Voice optional4. Two Way SMS and Data service simultaneously Operation5. Zero-CDROM for drivers6. USB2.0 interface7. High performance internal antenna8. Supported OS: Windows 2000/XP/2003/Vista/Win7 32/64 bits9. Support SIM/USIM Card; Support Lock SIM; 10.support MicroSD slot

....