EUB9603H is designed to achieve 3 times faster speed performance than standard 802.11g products. It also features wide range of wireless security encryptions like WEP 64/128, WPA, & WPA2 with TKIP & AES capable. The unique & advanced external antenna design guarantees superior receive sensitivity & best transmit power when compare to other traditional printed antennas. Detachable antenna allows users to upgrade with optional antenna for higher gain & extended coverage. USB (Universal Serial Bus) interface & multiple OS driver support make the EUB9603H the ideal client adapter for any popular OS (Windows 7/ Vista/XP & Mac OS). EUB9603H is definitely the perfect device of mobility & flexibility.