RT-N66U Dual-band 2x2 N900 Wifi 4-port Gigabit Route 2.4 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 Ports ASUSWRT Dashboard UI for Easy Setup, Signal Monitoring, and Network Application Control