2DBI USB2.0 Hi-Speed 300Mbps 802.11b/g/n USB Wireless LAN Wifi Adapter Network Card Card for Desktop PC Laptop with Gain Antenna Type:OFDM/CCK/16-QAM/64-QAM; USB 2.0 connection for high-performance wireless networking with desktop and notebook PCs Spread spectrum:DSSS;Wireless Transmit Power: 20dBm(MAX EIRP) Support Operating System: Windows XP/Vista/Linux/ Win7/8 MAC Wireless standards:IEEE 802.11n,IEEE 802.11g, IEEE 802.11b,CSMA/CA with ACK High-gain antenna that boosts reception even further to get you the most stable and reliable connection