RT-AC51U Dual-Band AC750 Wifi 4-port Gigabit Router with USB device sharing
802.11ac dual-band wireless at up to 733 Mbps for high-performance wireless
Expanded wireless coverage with two fixed high-gain antennas
USB port for printer networking, storage sharing, or 3G/4G connections
ASUS AiCloud app to access, sync, share and stream your files on the go –quickly and easily. Easy 30 second setup and robust controls like network monitoring through ASUSWRT dashboard

Network Standard:
IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, WiFi 4 (802.11n), WiFi 5 (802.11ac), IPv4, IPv6
WiFi Data Rate:
802.11a: up to 54 Mbps
802.11b: up to 11 Mbps
802.11g: up to 54 Mbps
WiFi 4 (802.11n): up to 300 Mbps
WiFi 5 (802.11ac): up to 433 Mbps
Antenna:
External antenna x 2
Internal PCB antenna x 1
Transmit / Receive
MIMO technology
2.4GHz 2x2
5GHz 1x1
Memory
8 MB Flash, 64 MB RAM
Operating Frequency
2.4 GHz / 5 GHz
Operating Mode
Access Point, Router
I/O Ports
RJ45 for 10/100 BaseT for WAN x 1
RJ45 for 10/100 BaseT for LAN x 4
USB 2.0 x 1
Buttons
WPS Button, Reset Button, Power Button
LED Indicator
USB x 1
LAN x 1
Wi-Fi x 1
WAN x 1
Power x 1
Power Supply
AC Input: 110V240V (5060Hz)
DC Output: 12V with max. 1A current