FAQ's, Firmware, Warranty Information and more found at link below.
http://dlink.com/us/en/home-solutions/support/product/dir-855-xtreme-n-duo-media-router (http://dlink.com/us/en/home-solutions/support/product/dir-855-xtreme-n-duo-media-router)
(Note: If you've never been to the United States support site before, you'll be prompted to select the country, then this link will take you directly to the product page.)
7/2012: This product has been marked as "Phased Out."