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

·built-in 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