(it does mention a frequency hopping physical layer but that was part of the obsolete predecessor from 1997, the modern spec uses OFDM so unless all your equipment is from the last century you're not using frequency hopping)
1. IIRC my router is supposed to switch channel (i.e. frequency) automatically unless I explicitly set it to a fixed channel.
I don't know how but my devices figures out and continues working.
2. I think the misunderstanding is related to the word frequency hopping or whatever was used further up in the discussion.
I normally take "frequency hopping" to mean changing frequncy multiple times a minute or even faster while I doubt my wireless access point will switch channels more than a few times in 24 hours.
Disclaimer: I never really sat down and verified if it ever changed.
Also agree with logicalle that I wish for a bit more civility.
jsmthrowaway can you give more information about your setup and what the devices do?
No need for a heated argument. This whole thread is quite instructive!
(No I'm not complaining about being downvoted - this isn't even my comment - just trying to learn.