Rt n66u dual band wireless n900 gigabit router 24 ghz and 5 ghz concurrent dual band transmissions for strong signal strength and ultra fast connection rates up to 900mbps gigabit ethernet ports for the fastest most reliable internet performance download master for wireless data storage and access to router connected usb storage devices expanded wireless coverage with detachable high powered antennas file sharing printer sharing and 3g sharing via two multi functional built in usb