D-Link DWL-G650X Wireless Cardbus Adapter/Mac, 802.11g, 54 Mbps Transfer rates up to 54 Mbps Works on Apple Mac OSX (10.2X) and Windows XP/2000/ME/98SE operating systems Backwards compatible with 802.11g and 802.11b products Enhanced security supporting WPA and 802.1x user authentication Can be used for peer-to-peer networking with other 802.11b/g wirelessly enabled computers for direct file sharing