mainfeatures:

·worldwide roaming and global connectivity with one modem

·supports hsdpa on 2100mhz,  

  quad-band class12 gsm/edge on 850/ 900/ 1800/ 1900mhz

·downlink up to 7.2mbps on hsdpa and umts capable

   networks, and uplink up to 384kbps

·edge data up to 236.8kbps

·support  microsd memory up to 8g (optional)

·automatically install driver, no cd required

·supports data / sms functions

·supports windows xp/ 2000/ vista/w7/ linux

specifications:

·usb 2.0 interface

·high performance internal antenna

·sim card slot and built-in microsd memory expansion slot

·1 led indicator

·dimensions:83×27×12mm