Ultra Small like a coin! This 802.11n USB Wireless Adapter is a Plug & Play USB 2.0 solution, which brings wireless network to laptop or desktop PC with up to 150Mbps transfer rate. 802.11n USB wireless adapter is Wi-Fi compliant. The USB adapter with internal Omni-directional antennas works well with other 11g/n wireless products. With Microsoft Windows 98, Windows 2000, Windows XP and Windows Vista operation system, the adapter can access network once the network is available. In addition to the feature of 64/128 bit WEP encryption and the security of WPA (Wi-Fi Protected Access)/WPA2, WPS(Wi-Fi network setup) is added. Buy now!