I had previously helped to address Wi-Fi issues for Joan devices. They were not easy to work with, in general.   We had some success with one separate 2.4GHz SSID for Joan devices on Arista WAPs. We limited which WAPs had 2.4 GHz radio enabled, which was very helpful and is best practice anyways since there are only three 2.4 GHz channels. In your case, separate SSIDs for different WAPs might help.   At that time I ultimately recommended installing the Joan 6 Pro, which was the only model that supports a wall-mounted PoE dock. ... View more