Alfa AWUS036H 1000mW 1W 802.11b/g USB Wireless WiFi network Adapter with 5dBi Antenna and Suction cup Window Mount dock - for Wardriving & Range Extension 1000mW of power which is more powerful than any other WiFi adapter on the market - includes a 5dBi antenna for better reception Very Secure with 64/128/256bit WEP Encryption, TKIP, WPA,WPA2, 802.11i Includes driver for Windows 2000, XP 32/64, Vista 32/64, Windows 7, Linux (2.4.x/2.6.x), Mac (MacOS 10.3 - 10.5) For MAC OS 10.6.7 and later version, we suggest AWUS036NHR, AWUS036NH, AWUS036NEH, AWUS051NH. The Mount design to easily clinging on Notebook, Netbook and Window. Supports Windows, Macintosh, and Linux Now works with Windows 7 just ask us for the Link