The AP's in question are only running 5Ghz. All AP's & Antennas are mounted on boards which are hung from the Cabling containment systems at each end of every aisle.  Profile has been added for these AP's using the ANT2513P4M-N antennas TX power setting 5-7dBm , most AP's have settled at 5dBm , AP's using Unii1 channels are restricted to 4dBm , Regulatory , but we have AP's on Unii1 channel covering the whole aisle whilst AP's on unii2 & extended are barely covering a 1/4 of an aisle on power level 5   ... View more

Agree with @TBHPTL, using non-DFS channels if possible will remove the chance of weird behaviour with CAC windows and backoffs ... View more