@TP-Link Hi, thanks for your answer. I updated the drivers and I tried the connection via ethernet after plugging the two adapters next to each other. The TP-Link PLC app reports ≃ 800Mbps, but the...

@Philbert No, I mean running a network cable from my laptop to the powerline's gigabit ethernet port (and getting no more than 150Mbps). When I connect the laptop directly to the router I get a speed...

@Philbert Thank you for your answer. The problem is that even running ethernet cables I have the same issue, the connection speed is just a little bit faster. The TP-Link PLC app reports ≃500Mbps.

The connection through this powerline kit (both Wi-Fi and Ethernet) never exceeds ≃150Mbps, despite being connected to a 1000Mbps home fiber [1Gbps speed is reached through the main router]. The...