CN0270W 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 Perfect for the home and SOHO users who need enhanced range and performance Uses WPA/WPA2 wireless encryption to ensure that the data transmitted is secured General Specs Brand & Model Tenda W311U+ Wi-Fi IEEE 802.11b/g/n Interface USB2.0 Antenna 3.5dBi detachable antenna (external omni-directional) Frequency 2.4GHz Transmission Speed Up to 150Mbps over 11n Channel 1-13 Transmit Power Max. 18dBm 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 58 x 10.9 x 19.7 mm