Please fix the ability to REMOTELY test internet speeds within your Deco app. it does not work. Showing kbps and very slow, doesn't match other speed test solution (google, ookla). I'm having to retur

I'm getting 3 pack of the TP-Link Deco AXE5300 Wi-Fi 6E Tri-Band. I have Coax throughout the house already. I will remove my cable company's existing router. Can I plug 2 to 3 of them via coax? if so,