@GD91 How have you found that one of your Satellite X50 does not broadcast on 2.4GHz? Also, it is Satellite Deco that has a problem, not Main Deco, correct?

@TK42 It is also possible that powerline link between Deco units creates interference. Run this test: power off all Satellite Deco. Leave just Main Deco. If noise on your radio system disappears -...

@SueB You should add another M5 to your Deco mesh. This is how WiFi mesh works: you deploy initial set at your house and if you find places where WiFi coverage still lacking - you add more WiFi...

@TK42 Turn off 2.4GHz on Main Network and if Guest Network enabled - on Guest Network, too. See if it helps. WiFi 5GHz produces much less interference.

@PaulPP This may be one of two things: 1) Hardware issue with Kitchen Deco Ethernet ports, or with Ethernet cable it is connected to; 2) The way you wired Kitchen Deco does not let it use Ethernet...

@raku99 You have correct expactation, but you would not be here if Main Deco worked as expected. Here is workaround I could recommend. Get smart plug, connect Main Deco through it and program smart...