Addtron AWU-120 11 Mbps Wireless USB Network Adapter Multiple Data Rates (11 Mbps, 5.5 Mbps, 2 Mbps, 1 Mbps) IEEE 802.11b and IEEE 802.3 compliant Automatic data rate selection Works with Windows 95, 98, NT, 2000 Up to 1000 feet operating range in open environment