@jame5 Additional interesting 2 articles answering your question https://en.m.wikipedia.org/wiki/Dynamic_frequency_selection https://ams.confex.com/ams/pdfpapers/97361.pdf So the problem occurs when DFS of RLAN-WiFi equipment is not correctly operating. Yes, Radar can interfere with Wi-Fi https://blog.iptel.com.au/wifi-and-the-problem-with-radar#:~:text=RADAR can interfere with Wi,removing a source of interference.