The TP-Link TL-WN822N 300Mbps High Gain Wireless USB Adapter is an easy, exceptional way to provide Wi-Fi -N connectivity to your Windows computer. This adapter connects to your Windows notebook or desktop via USB and utilizes dual antennas to receive Wi-Fi -b, -g and -n signals. It can transfer data a speed of up to 300Mbps and is excellent for streaming HD video, playing online games, making VoIP calls and more. For establishing security, the adapter supports WPA/WPA2 encryption and supports Wi-Fi Protected Setup with the "QSS" button. If you want wireless connectivity for your computer via USB, this adapter is sure to help.