2DBI USB2.0 Hi-Speed 300Mbps 802.11b/g/n USB Wireless LAN Wifi Adapter for Desktop PC Laptop with Gain Antenna IEEE802.11n Standard;High-Speed 300Mbps;Interface:USB 2.0 Wireless standards:IEEE 802.11n,IEEE 802.11g, IEEE 802.11b,CSMA/CA with ACK Spread spectrum:DSSS;Wireless Transmit Power: 20dBm(MAX EIRP)Modulation Type:OFDM/CCK/16-QAM/64-QAM Support Operating System: Windows XP/Vista/Linux/ Win7/8 MAC Quick Secure Setup;Supports wireless roaming technology for high-efficient wireless connections. Seamlessly compatible with 802.11b/g/n devices