TRENDnet TEW-423PI - 54Mbps 802.11g Wireless PCI Adapter $13.99

TRENDnets TEW-423PI 54Mbps Wireless PCI Card cuts the wires to your desktop and provides 54Mbps speed to handle bandwidth-intensive applications. It complies with the IEEE 802.11g standard, making it backward compatible with 802.11b networks for assured compatibility. Advanced Wi-Fi Protected Access (WPA) and up to 256-bit WEP encryption are supported to provide secure access for your data. Cut the wires and move your desktop where you need it with TRENDnets 802.11g wireless PCI Card.

Buy.com is carrying this 54Mbps 802.11g Wireless PCI Adapter for $13.99