What is DFS?

  • DFS channels are special 5 GHz Wi-Fi channels shared with radar systems (like weather or military radar).

  • Wi-Fi devices must listen for radar and switch channels if radar is detected.

  • Common DFS channels are:
    52, 56, 60, 64, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, and sometimes 144 (depending on the region).

Why Exclude DFS Channels?

  • Avoids Wi-Fi interruptions caused by radar detection.

  • Makes Wi-Fi connections more stable and reliable.

  • Helps APs start faster since they don’t have to scan for radar first.

  • Easier to manage because channels don’t change unexpectedly.

When Should You Exclude DFS?

  • If your Wi-Fi needs to be very stable without sudden drops.

  • If you are near radar systems or in areas with interference.

  • If your environment (like offices or hospitals) can’t tolerate Wi-Fi interruptions.





Steps 1: Navigate to the Profiles section, select Radio, then click View/Edit. 




Steps 2 :   Enable Exclude DFS checkbox  and then save your changes.