The Cable Matters USB-C Ethernet switch is an indispensable networking accessory that combines a USB-C Ethernet adapter and a Gigabit Ethernet switch into one convenient adapter; Connect a laptop or tablet which lacks a physical Ethernet port to a wired network with the Gigabit USB-C Ethernet adapter Ethernet splitter functions as an Ethernet switch 4 port; connect up to three additional devices to the ethernet hub 4 port via Ethernet and one via USB-C; Connect the fourth Ethernet port on the ethernet cable splitter to an RJ45 wall jack or wired router / ethernet router to share wired network access with up to four devices with the 4 port gigabit switch Gigabit USB Type C Ethernet adapter supports performance Ethernet features like WoL (Wake on LAN), FDX (Full Duplex Mode), auto-sensing, jumbo frames, and IPv6; Ethernet hub supports MAC address pass-through with the EZ-Dock utility software for the Thunderbolt 3 to Ethernet adapter Ethernet to USB C adapter is bus-powered from th