devolo 1373 - Pack of 2 PLC adapters (dLAN 200 AVplus Starter Kit): 1 Fast Ethernet port / integrated telephone socket (Personal Computers)
A dilapidated electricity, an electrical panel on the ground floor, another in the newest stage for development of the attic ... the PC in the attic (see my concern!) I connect, I sync, it works immediately, no problem, no flow loss (at least I did n