SOLVED: sort of. I wanted to watch the light color to see if it changed when all the disconnects occurred. So, I lay the main S4 on its side. Huh? No more disconnects. I left it on its side for quite...

This is on a version 3.6 with 2 identical satellites and 2 more W2400 satellites. Under firmware 1.4.1 the WIFI was stable and only one device (Eufy doorbell cam) would regularly disconnect. Now,...