Dragon &reg; 150Mbps Wireless N Nano USB Adapter, Miniature Design, Plug and Play, Support- Windows XP,Vista, WIN7,Linux,MAX; 2.4G, 802.11ngb Chipset:RTL8188EU Standard: IEEE 802.11n,IEEE 802.11g, IEEE 802.11b Supports 64/128 bit WEP, WPA encryption Effective working distance: 100 meters farthest indoor and 150 meters farthest outdoor (varies due to the environment) Supports: Windows XP 32bit, Windows XP 64bit, Windows Vista 32bit, Windows Vista 64bit, Windows 7 32bit, Windows 7 64bit