... 4GHz, 802.11n/g/b, Built-in 4-port Switch, with 2 fixed antennas InterfaceButtonExternal Power SupplyWireless StandardsAntennaDimensions ... Fixed Omni Directional Antenna (R7.6 x 5.1 x 1.3 in. (192 x ... DHCP Client List,Address ReservationWMM, Bandwidth ControlVirtual Server, Port Triggering, UPnP, DMZDynamic DNSVPN Pass-ThroughAccess ControlFirewall ... Management 300Mbps Wireless 4-port Switch TL-WR841N