Sunnice&reg; 300M USB 2.0 WiFi Wireless LAN 802.11 n/g/b Adapter with Antenna Complying with IEEE 802.11n(draft), IEEE 802.11g, IEEE 802.11b standards. The range coverage can up to 3 times farther range than 802.11g Providing high speed USB 2.0/1.1 interface; Transmission rate up to 300Mbps Auto-switch to use 802.11n or 802.11g or 802.11b mode, supporting Ad-Hoc,Infrustructure WLAN network With an external antenna; Simple configuration and easy to use; It can be worked with laptops, notebooks and PC desktop computer as well.