The EUB9603 EXT is a revolutionary 11N 1T1R USB adapter with external antenna. It is fully backward compatible with 802.11 b/g standard as well as support Wireless N technology. This model is capable of achieving 3 times faster speed performance than standard 802.11g generation products. It features latest wireless security including WPA2, WPA and WEP 64/128. Advanced external antenna design guarantees superior sensitivity and transmit power in comparison with tradition printed antenna. External antenna allows users to upgrade optional antenna for higher gain and extended coverage. USB interface and multiple OS driver support allows the EUB9603 EXT to be installed on any popular OS without any hassle (including Windows 7/XP/2000/Vista and Mac OS). EUB9603 EXT is definitely a production of mobility and flexibility.