I'm sorry to say that there is no way to make these DECOs stable. The only thing i did not try yet, putting all the DECOs in AP mode, if that doesn't work then they're unusable for me and i gues many

When setting up the IOT network for 2.4 Ghz only devices the whole setup becomes unstable after a while. Effect: Periodic los of all connections for several minutes when using about 20 device on this