I solved this issue selling the Deco to one of my customers who wasn't interested in this function. I bought an Asus Lyra and it is perfectly working. I think this behaviour is ashaming for a major...

Adriaan_ wrote Does the New-firmware-1.2.3-20180819-Rel.-68100 fix this problem? No, it doesn't. I give up, I will contact TP-Link Italy for full refund. Paolo

Same issue here. No, it's not shorter coverage. It's not broadcasted by satellite units with ethernet backhaul. Yoh can easily check with a simple app like wifi analyzer. Waiting for fix this issue...