Mini USB Wifi Adapter, Comfast 150Mbps Wireless LAN Network Card External USB wifi for Desktop Laptop White Mini Wifi adator:IEEE 802.11g,IEEE 802.11b,CSMA/CA with ACK.used with IEEE 802.11n(draft 2.0) wireless technology 150M tramstation speed,high speed. long distance Smart AP switch function, switch base station mode Realtek 8188 EUS chipset Operation systemWindows 2000/XP/Vista/WIN 7/LINUX