Brand TP-LINK Product Router Product Type Wireless AC Router Product Name AC1900 Wireless Dual Band Gigabit Router Model Archer C9 Interface "4 10/100/1000Mbps LAN Ports, 1 10/100/1000Mbps WAN Port 1 USB 3.0 Port + 1 USB 2.0 Port " Button "WPS/Reset Button, Wireless On/Off Button, Power On/off Button" External Power Supply "12V/3.3A " Dimensions (W X D X H) "8.7 X 3.4 X 6.6 in. (221 X 86 X 168.5mm) " Antenna 3 dual band detachable antennas