Specification :

Professional USB modem distributor in Asia! We are the expert USB MODEM Distributor in HongKong, Asia, offering Original, Brand New HUAWEI, ZTE USB modems to more than 100 countries and areas.
Good quality, fast delivery, we are the reliable 3G partner that you are looking for!

HUAWEI E1550 Specifications:

HSDPA/ WCDMA 2100MHZ
GSM/ GRPS/ EDGE 850/ 900/ 1800/ 1900MHZ
HSDPA data transfer speed up to 3.6Mbps
USB interface
install automatically and easy to use
Micro SD memory card slot( up to 4GB)
Dimensions:
size: 70.1mmx25.7mmx 11.6mm
weight: 50g.

System Requirements:
windows 2000/ XP/ Vista or Mac OS X 128MB of RAM
50MB free hard disk space or above
USB slot