Product Description 54 mbps high speed secure WiFi wireless network Adapter 802.11g Incredibly easy to Setup. Install drivers on supplied CD-Rom, Plug into USB port .... You are now networking wirelessly. 100% brand new item complete in retail box with CD Rom driver disc, USB dust cover cap, Angle adapter and easy setup wizard Operating systems Windows Vista, XP64, Windows XP, Windows2000, Windows ME, 98SE, Linux and Mac OS10.3 & 10.4 Product Feature This adapter is very easy to set up following the enclosed instructions backward compatible with earlier 801.11b - 11mbmps products upto 350 metres wireless range 128 WEP, WPA & WPA-PSK encryption standards Operating systems - Windows XP64 XP Windows2000 Windows ME 98SE MAC OS 10.3X - 10.4X & Linux Mac Linux & XP64 Owners - you must be able to download the RT2571w driver from http://www.ralinktech.com/supp-1.htm as they are not on supplied cd-rom. To install on MAC disable power saving on usb port, install downloaded driver and reboot, allow system to fully load and then hot-plug in