Tenda 300Mbps Mini Wireless 11N USB Adapter, U3; Interface: USB2.0;Internal PIFA Antenna; Wireless Standards: IEEE 802.11b, IEEE 802 .11g,IEEE 802.11n; Frequency: 2.400-2.4835GHz; Dimension: 37.5mm*19.5mm*8.9mm(L x W x H);