Periodically disconnects from wifi (E410) and iPhone 11 pro max does not connect again

Periodically disconnects from wifi (E410) and iPhone 11 pro max does not connect again

on access points (E410) software version 3.11.2-r2

on iPhone 11 pro max software version 13.3.1

Please email tech-support to shashank.tadakamadla@cambiumnetworks.com

I sent an email

Thank You.