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 adapterEthernet 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 switchGigabit 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 adapterEthernet to USB C adapter is bus-powered from the host USB-C connection; No need for a bulky external power plug or extra USB cable to power the Gigabit Ethernet switch 4 port; Flexible use cases for the 4 port switch includes a USB C Ethernet adapter plus network hub or as a standalone 3 port Internet switchUSB-C to Gigabit Ethernet switch gigabit includes a drawstring carrying pouch adhesive mounting strip and quick start guide; Accessories allow for a permanent or mobile use solution of the Thunderbolt 3 network switch