... 2.0 mini USB 3.antenna connetor:SMA 4.LED:link/active 5.os support:win se,ME,2000,XP,Vista ... Data Rate: 54Mbps High Speed Transfer Rate For 802.11gLED: Link/ActiveOperating System Support:Windows 98SE,ME,2000,XP,Vista,Linux ... storage Temp: -40°C~+80°C 802.11b/g USB Wireless Adapter