When you need a reliable, high-speed mobile network connection, choose the USB2105S. With full duplex support for data transfer rates up to 200Mbps, this USB network adapter makes the most of the high-speed USB 2.0 ports on your desktop or notebook computer. No need to open up case or have an open CardBus slot: it works in any USB 1.1 or 2.0 port. Full and half duplex support, plus auto-negotiation of 10 and 100 Mbits/sec. connections provides easy connectivity in any Ethernet environment. Easy Plug and Play setup in Windows.