Yes, you can use your own router with fiber internet, as long as it has a Gigabit Ethernet WAN port to connect to your ISP's Optical Network Terminal. Upgrading to a Wi-Fi 6 or 6E router helps you get the full benefit of symmetrical fiber speeds. This guide will break down everything you. While routers are designed to connect to a modem, the type of modem and the connection protocol are where compatibility with fiber becomes a crucial consideration. There are several types of connectors, including LC, SC, and ST. For instance, LC. TP-Link router speed isn't one single number. Signal rate, link speed, and actual internet speed are distinct, and understanding the differences matters when troubleshooting or evaluating your connection.