Wireless 300Mbps 802.11n/g/b USB WIFI LAN Network Card Adapter with Antenna Support XP/Vista/WIN7 Linux and MAC OS X IMPORTANT NOTE: Please refer to the 'Product Description' to learn the working instructions Suitable for laptop and desktop computer ; Easy to use Supports both infrastructure and ad-hoc modes Max. wireless connection speed: 300Mbps Work with any 2.4GHz wireless g/n routers