Wifi6 full fibre Internet. Wifi issues

Having major issues with doorbell 3 staying connected to the wifi. Had fiber Internet installed 3 weeks ago everything else in the house connected perfectly fine to the new wifi except our doorbell. When i can get it to contact the connection lasts a few hours before going offline. When i try to reconnect it gets to 95% then white lights flash on the right hand side of the bell. So then i do a reset (holding down the orange button for 20 seconds) sometimes this works but again the connection only lasts a few hours. Sometimes i have to delete the device from the app as well, before trying to set it up again. When setting it up from scratch the firmware update only gets to 90%. The RSSI when connected is between 47 and 58. Router is about 10 feet way from the doorbell. The door chime has no connection issues. This is really very annoying. Any help would be appreciated.