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. This guide will break down everything you. If speeds are hovering at or near 10 Mbps (~8. 2 Mbps) or 100 Mbps (~90-95 Mbps), it may be due to outdated or failing hardware. Check the link speed of the device's Ethernet port. The steps for checking the link speed vary depending on the device and operating system (Windows or Mac), and. Is it possible to combine two different internet connections for more speed? For example, we have a Fiber 20Mbps and a coax 100Mbps. Key Takeaways: 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. This page covers the most common questions about TP-Link router speed, including how signal rate and link speed work, what Mbps and MBps mean, how WAN port capabilities limit your internet speed, and what to expect from real-world speed test results. Signal rate (the Mbps figure advertised on the. Sometimes I unplug the cabble from my computer and plugs it into a laptop, it makes the router recognize the laptop accepts more speed and unlock the 1Gb speeed.