D-Link DWL-122 Wireless Ethernet Adapter IEEE 802.11b USB 1.1 Up to 11Mbps Wireless Data Rates Wireless Data Rates: Up to 11Mbps Frequency Band: 2.4 GHz - 2.462 GHz Standards: IEEE 802.11b Security: 64/128-Bit WEP Modulation: CCK, Barker Transmitted Power: 16dBm (Typical) Antenna: Omni Directional Intregrated Microstrip Antenna Operating Range: Up to 328 feet Indoors