Cores & WiFi Channel

Are there any 2.4ghz WiFi channels the Spark Cores can’t cope with?

And if you CHANGE a Wifi channel, do you have to then repair the device?

Since a couple of days ago something’s gone wrong with a Core that used to have a stable connection and I’m trying to troubleshoot it.


Yup, anything above 11


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Thanks - devices now connected again, am going to see if I can run any scans to check for bluetooth interference but not sure if such a thing exists.