This will help with being able to use Duo's radius 2FA with a USG (increases the radius timeout from 10 to 60 seconds): https://community.ui.com/questions/USING-2FA-DUO-WITH-UNIFI-AP/6303335f-b3d3-4769-8f12-f3fde4931aaf#answer/cf39dab1-86e8-4a1e-a1cb-38079a6bf9a6
This will help with being able to use Duo's radius 2FA with a USG (increases the radius timeout from 10 to 60 seconds):
https://community.ui.com/questions/USING-2FA-DUO-WITH-UNIFI-AP/6303335f-b3d3-4769-8f12-f3fde4931aaf#answer/cf39dab1-86e8-4a1e-a1cb-38079a6bf9a6