150Mbps USB 2.0 WiFi RTL8188 2.4G Wireless Internet Adapter 802.11N with Antenna not for mac systems WiFi RTL8188 2.4G adapter Wireless Standards: IEEE 802.11n, compatible backwards with 802.11b/g standards Interface: High speed USB2.0/ 1.1 Data Rate: Up to 150Mbps Note:This card could not work on mac systems