The D-Link Wireless N Dual-Band Router (DIR-825) comes with the dual-band advantage and Wireless N Technology to allow for superior home coverage and smooth streaming. The dual band technology in the DIR-825 supports both 2.4GHz & 5GHz wireless signals simultaneously, so that you can check e-mail and browse the Internet using the 2.4GHz band while streaming HD content and play online games on the clearer 5GHz band.