Buy on Amazon : http://www.amazon.com/gp/product/B00HC01KMS?tag=lottalatte-20
TP-LINK TL-WDN4200 N900 Wireless Dual Band USB Adapter 2.4GHz 450Mbps/5Ghz 450Mbps One-Button
N900 Dual Band connections for lag-free HD video streaming and gaming
Maximum speed up to 450Mbps at 24GHzand 5GHz
Easy setup at a push of the WPS button
Support Windows XPVista78