Comfast 300Mbps 802.11n/g/b Wireless USB WiFi Antenna Network LAN Card Adapter for Windows XP/Vista/7/8, MAC, Linux Compact design with an extended antenna for additional power and increased coverage; lets you browse from almost anywhere in your home Hassle-free secure connection! WPS button to quickly connect computer to router Engineered based on the IEEE 802.11n Wireless standard allowing uninterrupted download or stream of HD movies and video conferencing at 300Mbps Simply plug-in and start using. Plug N Play USB 2.0 compatible Ensures optimum security of your data and networking activities using advanced multi data-encryption schemes