... 3.antenna connetor:SMA 4.LED:link/active 5.os support:win se,ME,2000,XP,Vista,Linux,Mac specificationwireless standards ... : 5dBi RP SMA dipole antennaSecurity: WEP 64/128, 802.1×support, Wi-Fi Protected Access(WPA),WPA-PSK,WPA2Support Data Rate ... High Speed Transfer Rate For 802.11gLED: Link/ActiveOperating System Support:Windows 98SE,ME,2000,XP,Vista,Linux,MacOperating Temp: -20°C ...