Tenda W311MA Wireless N150 Mini High Power Adapter IEEE 802.11b/g/n USB 2.0 Up to 150Mbps Wireless Data Rates Wireless Data Rates: Up to 150Mbps Frequency Band: 2.4 GHz Standards: IEEE 802.11b/g/n Security: 64-/128-bit WEP WPA-PSK, WPA2-PSK, WPA-PSK/WPA2-PSK, WPS LEDs: Link/Activity Transmitted Power: 18dBm (Max) Antenna: 1 x 3.5dBi external antenna System Requirements: Minimum System Requirement: CD Drive 733MHz CPU or faster 64MB Memory or higher Windows 2000 OS or higher