Microsoft MN-730 Wireless 802.11g PCI Adapter 54 Mbps delivers five times the network speed of 802.11b networks Start sharing your broadband Internet connection, files, and printers in no time with the unique installation wizard Full compatibility with 802.11g and 802.11b Wi-Fi networks Protect your data with the strong security features of 802.11g wireless Compatible with Windows 98, 98 SE, Me, 2000 Professional, and XP