I just read some more about DFS channels. Now I understand better. The AP does a channel availability check on power up if those channels are available. If available then the AP would utilize them...

Hi TP-Link, I'm looking to set 5GHz 80Mz (20/40/80) channels for my 3 EAP245 V1 APs. But I do not have channels 52,100,116,132 available as a choice in Omada Controller. Why is this? I'm in the U.S....