CN0279B Features High-speed mini wireless networking USB adapter Allows you to connect a desktop or laptop computer to a wireless network and access high-speed internet connection Provides a wireless speed of up to 150Mpbs Wireless security encryption could be established simply at a push of a WPS button， preventing the network from outside threats Easy to use General Specs Brand & Model Tenda W311MI   Wi-Fi IEEE 802.11b/g/n Interface USB2.0 Antenna 2dBi fixed antenna (internal PCB) Frequency 2.4GHz Transmission Speed Up to 150Mbps over 11n Channel 1-13 Transmit Power Max. 17dBm Ad-Hoc Security 64/128-bit WEP WPA-PSK， WPA2-PSK， WPA-PSK/ WPA2-PSK WPS Operating Systems Windows 2000， XP 32-bit/64-bit， 7 32-bit/64-bit， Vista 32-bit/64-bit， Linux， Mac Dimensions 21 x 15 x 7.7 mm