HUAWEI E3531 is a high-speed 3G dongle that provides you with a secure and reliable internet connection. All you need to do is insert a data sim card of your choice, as the dongle is UNLOCKED, then it is ready to use. The best feature about the 3G dongle is that it has a fast download speed reaching up to 21.6Mbps (megabit Per Second) so it is not just your average dongle. It is fast and extremely easy to operate; so mobile users can experience the best features of the E3531. A perfect companion if you travel to work by train, just plug in and enjoy your instant connection to the internet whenever and wherever you are.

- E3531 is UNLOCKED to all networks, use the sim of your choice
-A high 3G download speed up to 21.6Mbps
-A superb travel companion, have internet access whenever and wherever you want
-Enjoy the fastest internet experience
-A stylish, slim and compact design that takes no space in your bag

Fast Connection
A secure download speed of 21.6Mbps allowing you to stream or download videos in no time!
Travel
Travelling to a different country and have no access to Internet connection? Purchase a 3G USB dongle and you will have no problem connecting to the Internet abroad. All you need to do is buy a data sim card from the local area you will be staying in, connect, then there you go Internet access on holiday or from home.

Specifications

3G UMTS / HSPA + Frequency:  1900/850/2100MHz

2G Frequency: GSM / GPRS / EDGE 850/900/1800/1900 MHz

Download Speed: Max21.6Mbps

Upload Speed: Up to 5.76 Mbps

Equalizer and receive diversity (EEIC)
MicroSD Card slot
USB Stick, easy to connect
Plug and play
Standard USB interface (Type A)
Data and SMS service

Windows XP SP3 .Windows Vista SP1/SP2 .Windows 7 .Windows 8 (Does not support Windows RT)
Mac OS X 10.6, 10.7 and 10.8 with latest upgrades。