The TP-LINK Technologies TP-Link (TL-SG105) is a 5-port network external switch designed for wired Ethernet connectivity. It is an unmanaged switch, meaning it does not require any configuration and is ready to use out of the box. The switch is housed in a durable metal casing, making it suitable for both home and office environments. With its 5 LAN ports, this TP-LINK switch provides a reliable and efficient way to expand your wired network connectivity.