GPRS-200W

GPRS(900/1800 MHz) (wavecom q2403a)
Standard RS-232 interface
don’t need any driver，suit for any operator system,
Dial up to internect,you can brow web.
SMS service, Voice service

GPRS-200B

GPRS(850/900/1800/1900 MHz) (benq m22/m32)
Standard RS-232 interface
don’t need any driver，suit for any operator system,
Dial up to internect,you can brow web.
SMS service, Voice service

GPRS-300B

Faster wireless data speeds up to 1.8 Mbps upload and 3.1 Mbps on the download
Full CDMA technology support for CDMA EV-DO Rev A, EV-DO Rev 0 and CDMA 1x
New fixed design high performance antenna for highest speeds, extended coverage and reliability 
Supported OS: Windows? Vista, XP, 2000, Mac OS X
Interface: 32-Bit CardBus with NDIS & DUN support, NDIS provides ease of use and improved battery life