CN0257B Features High-speed transmission up to 300M Easy to connect Suitable for desktop PCs or laptop PCs Allows you to conveniently surf the internet Comes with a transmitter General Specs Brand & Model EDUP EP-MS1559 Chipset RTL8192U Interface USB2.0 Transmission Speed Up to 300M Gain 6dBi Wireless Standards IEEE 802.11b/g/n Wireless Security WPS/ 64/128 encryption/ WPA/ WPA2/ WPA-PSK/ WPA2-PSK Operating Systems Windows XP/ Vista/ 7/ Mac