The D-Link Xtreme N Dual Band Gigabit Router (DIR-825) is the latest addition to the award-winning Xtreme N product family. The dual band technology in the DIR-825 supports 2.4GHz & 5GHz wireless signals at the same time. This allows you to check e-mail and browse the Internet using the 2.4GHz band while simultaneously streaming High-Definition (HD) movies and other media on the 5GHz band. The DIR-825 is designed for users looking to get a true HD wireless connection that can handle multiple HD video streams throughout the house, while being backward compatible with existing 802.11g and 802.11a products.