FAQ's, Firmware, Warranty Information and more found at link below.
http://www.dlink.com/us/en/home-solutions/connect/adapters/dwa-160-xtreme-n-dual-band-usb-adapter (http://www.dlink.com/us/en/home-solutions/connect/adapters/dwa-160-xtreme-n-dual-band-usb-adapter)