@R1D2 Thank you very much for the explanations, but most I knew already. I live in a medium sized village, so I do not have 100 neighbours fighting for the same channels. Just using the 5GHz band...

Hello, new to this forum but found it when I was looking for DFS channels. I have a modem/router from my Dutch ISP which selected automatically channel 100. Funny thing is that I got that modem for...