Trendnet TEW-684UB Wireless N 450 USB Adapter Upgrade your computer to 450Mbps Dual Band Wireless N Seamlessly stream HD video over the less congested 5GHz band Position the adapter in the optimum location using the USB extension cable Powered by the computers USB port One-touch connection to router with Wi-Fi Protected Setup (WPS) Supports 64/128-bit WEP, WPA/WPA2-RADIUS, and WPA-PSK/WPA2-PSK wireless encryption Wi-Fi Multimedia (WMM) Quality of Service (QoS) data prioritization Compatible with Windows operating systems