Engenius Eub9801 Dual Band 5Ghz 2.4Ghz Wireless Usb Wi-Fi Adapter Dongle 300Mbps Black Dual-band connectivity, either 5ghz or 2.4ghz connection. Push-button wireless security setup. Easy to use installation wizard for quick setup (download from engenius web site). Small compact and convenient form factor Enhanced mimo radio technology for extended range and speed Support windows 7 and apple mac os 10.7 (lion). Drivers for windows 7/ vista / xp / 2000 / mac os 10.7 (lion) (download from manufacturers web site)