1.IEEE802.11b/g 2.usb 2.0 mini USB 3.antenna connetor:SMA 4.LED:link/active 5.os ... ,ME,2000,XP,Vista,Linux,Mac specificationwireless standards:IEEE802.11b/g USB2.0 standard(also compltible with USb1.1)Interface: USB2 ... ~+70°C storage Temp: -40°C~+80°C 802.11b/g USB Wireless Adapter