W311P is an 802.11n compliant wireless PCI adaptor that provides up to 3x faster wireless speed and 3x better wireless reception over 802.11g products while being backward compatible with 802.11g/b devices. If you are looking for something which easily easily adds and upgrades your wireless connectivity to your desktop computer, then the W311P is certainly the best choice. You can easily connect your desktop computer to a wireless network and access high speed internet, transfer files and stream media from greater distances across your home than previous generation Wireless G technology. Further, it is equipped with a 2.2dBi antenna which provides an enhanced signal reception. It also uses WPA, WPA2 to block unauthorised intrusion and keeps your device safe and secure. It is fully compatible with all major operating systems and also provides you with a better, streamlined and lag free gaming experience.