Get from Amazon.com : http://www.amazon.com/gp/product/B0001D3K3A?tag=hawaiianlegac-20
Cisco-Linksys WMP54GS Wireless-G PCI Card with SpeedBooster
High-speed Wireless-G for your desktop PC now with SpeedBooster performance enhancement
Put your PC wherever you want with no cabling hassle
New SpeedBooster technology increases wireless network performance by up to 35
Also interoperates with standard Wireless-G and Wireless-B networks
Compatible with Windows 2000 XP and Windows Vista