This small device is compatible with the IEEE 802.11n standard which allows it to range speeds up to 150 Mbps. With is ultra portable design it's practically unnoticeable when plugged in.The N150USM great extension if your current wireless card is to slow. This device supports Windows 8 but also other Windows versions and operating systems including Linux, Mac OS.The device works in 2.4Ghz frequency. The WPS button allows for easy secured plug and play connection to a wireless network. A small reliable wireless card.