powerline network adapters? Let me share some EOP experience: I actually use it since the nineties (the famous blue Devolos; last century!). In theory ethernet over powerline is a bunch of issues lacking performance. The reality is the opposite: Astoundingly reliable, good transmission rates and an almost perfect replacement for real copper ethernet. In a little company we have one workplace w/o physical ethernet wiring. For about a decade now we have WLAN and Powerline-eth in place in parallel. So I can compare them. Powerline ethernet is clearly the winner. Almost the same incident level like physical wires. And much quicker to fix 
One secret is definitely to use of best quality hardware. I always refused other boxes than Devolo stuff. I’m convinced AVM-Fritz has reached at least the same level of professional performance. All other products are no legitimate options in my limited imagination. And yes, of course there is a Turris Omnia providing the data to both methods of data transmission 
However, looking back 30 years on these little wall plugs I can recommend powerline ethernet even for all the cases where it is seemingly impossible to use: Works like a charm. Just my experience.
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