Belkin F5D7000 802.11g 54M Wireless PCI Desktop Network Card (NO Windows 7 support) Support Windows Windows 98/Me/2000, Windows XP and Windows Vista. NO WINDOWS 7 driver Add wireless function for any desktop PC with PCI slot 802.11g 54M which is 5x times faster than 802.11b Compatible with both 802.11g and 802.11b devices