NETGEAR WPN311 RangeMax Wireless PCI Adapter PCI card provides 802.11g wireless capability with advanced performance for up to 108 Mbps Delivers up to ten times the speed and range of Wireless-G networks Supports 128-bit WEP and WPA-PSK for enhanced security Backwards compatible with 802.11b wireless networks Device measures 5.23 x 0.86 x 4.76 inches (WxHxD)