Cisco-Linksys WDT11 Instant Wireless-B PCI Adapter Works in conjunction with the Linksys Instant Wireless network PC Card 11 Mbps high-speed transfer rate (with PC Card inserted) Compatible with Windows 95, 98, 2000, NT, and Me Interoperable with IEEE 802.11b (DSSS) 2.4 GHz-compliant equipment Works with all standard Internet applications