This CDMA Modem supports CDMA 20001x networks only, and only supports 800Mhz. So do not imagine EVDO or 1900Mhz if you choose this modem.
Specifications:
Network : CDMA 20001xRTTBand : CDMA 800Mhz
Chipset : MSM 6025
Driver support : Win2000/XP/Vista
USB 2.0
Internal Memory: 64 MB, free space 50 MB
Features : Voice and SMS
Support protocl Network : TCP/IP, PPP, and VPN
But there are some interesting features such as Voice and SMS support, and 64MB of internal memory.