The EUB9603H is a revolutionary High Power 11N 1T1R USB adapter with external 5dBi antenna. With a special fine tuned RF design, it is capable of deliver up to 33dBm (2000mW). It is fully backward compatible with 802.11 b/g standard while still supporting 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, WEP 64/128 as well as supports TKIP and AES encryption. Advanced high gain external antenna design guarantees superior sensitivity and transmit power in comparison with tradition printed antenna. External antenna connector allows users to upgrade optional antenna for higher gain and extended coverage. USB interface and multiple OS driver support allows the EUB9603H to be installed on any popular OS without any hassle (including Windows 7/Vista/XP and Mac OS). EUB9603H is definitely a production of mobility and flexibility.