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