Ew 7811un is a nano usb wireless adapter that supports maximum range and speed despite the size this tiny usb adapter supports higher data rate of up to 150mbps when connecting with wireless 80211n device which is 3 times faster than your normally 11g connection you can just plug it into computers usb port and enjoy incredible high speed wireless network access this is for sure the trendiest piece of upgrade you can make to your wireless network complies with wireless 80211n stand