@Riley_S Thanks for the information. I just purchased the TP-Link Deco Whole Home Mesh WiFi System (Deco S4) AC1900 WiFi Router/Extender Replacement, Gigabit Ports, 1-Pack, so I can follow your...

So, I recently upgraded to fiber from coax internet. The fiber line connects to the modem in the basement but my mesh system is located in the office for ease of hardware access. From the fiber modem...