AWUS036NHA is an IEEE 802.11b/g/n Wireless USB adapter. It provides users to launch IEEE 802.11b/g/n wireless network at 150 Mbps in the 2.4GHz band, which is also compatible with IEEE 802.11b/g wireless devices at 54 Mbps. AWUS036NHA is compatible to higher-performance, multi-stream, MIMO-based 802.11n, and are available in reference designs to serve the networking, PC and consumer electronics markets. AWUS036NHA includes a convenient Utility that scans for available networks on Windows XP and saves preferred networks that users are usually connected with. Security encryption can also be configured by this utility. - Any PC or Laptop with a USB port, 733MHz CPU, and 64MB Memory - Any brand 802.11g or 802.11n router using 2.4ghz wavelength - Windows 2000, 2003, XP Home/Pro/64-Bit, Vista 32-Bit/64-Bit, Windows 7 - with Xbox 360, PS3, Blu-Ray Players, Roku Boxes, or any device that does not run an Operating System. Also will not work with Dual Band Routers that only broadcast N speeds on 5ghz wavelength - it is also not compatible with any Apple Mac This adapter provides state of the art standards-based security features: WPA/WPA2, IEEE802.1X, 64/128-bit WEP. With these enhanced security features, you can encrypt your data and only allow authorized users to access your wireless network. 802.11b: UP to 11Mbps / 802.11g: UP to 54Mbps / 802.11n: UP to 150Mbps 2.4Ghz RP-SMA connector AtherosAR9271 WEP 64/128, 802.1X support, Wi-Fi Protected Access (WPA), WPA-PSK, WPA II-PSK, Cisco CCX support, WAPI-PSK,WAPI-CERT