Channels not available for 40MHz; 80MHz and 160MHz @ 5GHz

but country code is the 1st option in your image ?

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You sure?

How could I have overlooked that. I thought I checked the pages several times
Anyway, I have now changed to NL and indeed it works as expected.

I now get channel 149 for a 80 Mhz bandwidth.
The only thing that is left open is that for 2.4 Ghz I aelected 40 Mhz and auto channel selection but still I end up with a 20 Mhz channel (once on channel 1, once on 9).
It is only if I force to 40 Mhz that I get a 40 Mhz channel.
Is this to be expected?