I'm using a tp link powerline adapter to get ethernet in my office on the top floor of my house. TP link utility is showing this speed but I'm only getting 55-60mbps
Tp link powerline starter kit AV600 Powerline TL PA 4010 kit | eBay
TP-Link TL-PA4020P KIT PowerLine network adapter 600 Mbit/s Ethernet LAN White 2 pc(s), 6 in distributor/wholesale stock for resellers to sell - Stock In The Channel