Yes, you can often use your existing router with fiber optic internet, but there are crucial considerations. Understanding compatibility, potential limitations, and when an upgrade is necessary will ensure you get the most out of your high-speed connection. To actually get 1200 Mbps you'll need a modem and router with 2. 5 GbE NIC in your PC, NAS, whatever. Besides, you'll probably never notice a difference between 1000 and 1200 Mbps in day to day use. 5 Gbps LAN port, which is connected via CAT-5e cable to ASUS AX58U router, which supports wifi-6 and has 4 1-Gigabit ports. This guide will break down everything you. Sounds like you're connecting everything via a 2. which maxes out at around 54Mbps. 11ax at the very least via Wi-Fi devices if possible. When done with that, dump all other services, should be. Its actually not that simple, as the speeds quoted are maximum "link" speed plus if its a repeater using the WiFi itself, the speed is halved right from the start.
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