GMYLE Wireless N/G 802.11n/g USB WiFi WLAN Network Adapter (Realtek RTL8191SU) with high Gain 5dBi Antenna Up to 300Mbps Support Microsoft XP(32bit/64bit) / Vista(32bit/64bit) / Win7(32bit/64bit). Operating distance of up to 300 meters in free space. 300/270/240/180/120/90/60/54/48/36/30/24/22/18/12/11/6/5.5/2/1 Mbps Auto-selected Data Rate. 64/128-bit WEP , WPA (Wi-Fi Protected Access), WPA2 2.400GHz ~ 2.4835GHz unlicensed ISM Frequency Band.