Ring doorbell keeps disconnecting from WiFi

My bell keeps showing as disconnecting from WiFi every few minutes. The signal strength shows RSSI-45. I have tried multiple ways to get the WiFi stronger at the front door. I have tried an extender, I've tried hardwiring a 2nd router to the bottom of the stairs and had the antennas pointing at the front door, I've now setup a mesh network and the WiFi signal is perfect throughout my apartment. Signal strength to bell looks perfect on Mesh network app. Yet it still shows as disconnecting and reconnecting every few minutes. What is going on??