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