huawei umg181 usb modem
HSPA / UMTS (900/2100MHZ)
EDGE/GPRS/GSM (850/900/1800/1900)
Support 2Mbps (5.76 Mbps ready)
HSUPA and 7.2Mbps HSDPA SERVICE
Support SMS and Voice Service
MicroSD Card Slot
Plug & Play
Data statistics
Support Windows 2000, Window XP, Windows Vista and Mac operating system.