1.IEEE802.11b/g 2.usb 2.0 mini USB 3.antenna connetor:SMA 4.LED:link/active 5.os support:win se,ME,2000,XP,Vista,Linux,Mac specificationwireless standards:IEEE802.11b/g USB2.0 standard(also compltible with USb1.1)Interface: USB2.0 mini USBFrequency Band: 2412~2462MHz(US) 11channels, 2412~2472MHz(EU)13channels, 2412~2484MHz(JP)14channelsModulation: BPSK,QPSK,CCK and OFDMAntenna Connector: ...