@decoinRI This is acceptable configuration. Assuming it is Ethernet link between Deco4 and Deco5, this configuration should be fine for any Deco model. The topic of compatible switches discussed...

@Captain_Salty Deco X50 is a good choice as an addition to your Deco mesh. There should not be any issues adding it and running together with X73. The most budget friendly Deco model consistent with...

Sav25 wrote @David-TP Ok I tried setting everything to 2.4G - no improvement, in fact no noticable change at all. The same weird drop outs or general hanging of the connection (which I'm led to...

@vmonkey You make a good point with cable modem. I can relate: my Canadian ISP recently replaced my cable modem with new model and I lost the ability to configure DNS servers. I was using AdGuard on...

@vmonkey If you don't mind, a question about your network setup. I, too, have Synology NAS. I just checked its standard DHCP server: it is very basic, if not primitive. Very few configuration...

@Craig_A4 You have TP-Link brand powerline adapters, they should be fine with TP-Link Deco. One more thing: the unmanaged switch must be compatible with Deco mesh Ethernet backhaul, too. More info on...