The CreditCard Ethernet 10/100 enables notebook users to connect to high-speed 10/100Mbps Ethernet networks while in the office. This full-featured, high-performance PC Card auto-senses your network speed for seamless 10Mbps or 100Mbps operation. This adapter features BatterySave advanced power management for longer notebook battery life and supports a wide range of network operating systems including Windows 95/98 and Windows NT.??Xircom's CreditCard Ethernet 10/100 gives you the ultimate in flexibility and performance for all your connectivity needs.