300Mbps Mini USB WiFi Wireless Adapter 300M Network LAN Card IEEE 802.11n/g/b Conform to IEEE 802.11n, IEEE 802.11g and IEEE 802.11b standard. With WPS one key security setting button, you can set wireless security. Support 64/128/152 bits WEP encryption. Also support super encipherment such as WPA/WPA2, WPA-PSK/WPA2-PSK etc. Size: about 35 x 18 x 8 mm, Chip: Reatek 8192SU, Support speed: 300Mbps, Antenna: built-in smart antenna (2T2R