Sienoc 300M USB WiFi Wireless 802.11a/b/g/n Adapter Dual Band 2.4G/5G Network Card Standards: IEEE 802.11b/g/n/a Interface:USB 2.0 Antenna: 2dBi fixed antenna*2 (internal PCB) Frequency: 2.4Ghz, 5Ghz Button:WPS Dimensions(L*W*H)mm 68.9mm*23.8mm*8.9mm LED:1*Link/Act Wireless Speed:11n:300Mpbs 11a:300Mpbs Frequency: 2.4GHz, 5GHz Transmit Power: 15bBm(Max) Operating Mode: Infrastructure, Ad-Hoc Security: 64-/128-bit WEPWPA-PSK, WPA2-PSK, WPA-PSK/WPA2-PSK WPS Compatible with:Windows 2000, Windows XP 32-/64-bit, Windows 7 32-/64-bit, Vista 32-/64-bit, Linux, MAC, Win8, Win8.1