Rosewill Wireless Adapter (1T1R) IEEE 802.11b/g/n PCI 2.2 Upto 150Mbps Wireless Data Rates (RNX-N150PC) Compliant with 802.11n, the Rosewill RNX-N150PC delivers wireless speed up to 150Mbps and remains backward compatible with 802.11g and 802.11b wireless networks The greater bandwidth meets the demand of bandwidth-intensive applications, such as HD video streaming, large file downloading and online gaming The Rosewill RNX-N150PC supports WEP, WPA and WPA2 standards for use of the available supreme encryption to ensure the network security