@Sunshine Yes, it was solved for the Pi Zero W by selecting channel 11 on the router. I couldn't find a setting in the Pi, where I would have hard-coded it to only listen on a single channel, but if...

More info: scanning wlan0 from the pi discovered no Wifi (sudo iwlist wlan0 scan). I changed the Wifi channel on the router from Auto to 11, and scanning from the Pi started working. What is going...

This issue is similar to this: https://community.tp-link.com/us/home/forum/topic/543082 My Archer MR600 is setup to reserve an address for my Raspberry Pi Zero W. This works fine, but it works only...