@TP-Link The statements on web pages about Deco e.g. E4 are not fully true : "Deco uses a system of units to achieve seamless whole-home Wi-Fi coverage — eliminate weak signal areas once and for...

@TP-Link I have remote installation of 4pcs Deco E4 units, all of them wired on ethernet backone. It seems to be that main Deco unit has problems because WiFi connection is not stable as wired device...