@0101OSX they are using two ethernet cables because that deco is being used as the router, so the WAN Internet connection (from the ONT or Fibre modem) is one ethernet cable, and the other ethernet...

@Mechman what's the wifi signal like on your mobile phone when you go and place it next to the ring doorbell? If the phone has good signal then its probably the Doorbell needing to be on the slower...