you can send morse 10m through a concrete wall using only a computer and ethtool: https://www.youtube.com/watch?v=ueC4SLPrtNg
(yes i know you can do other stuff to an rpi to generate RF, but this only requires a wired ethernet interface)
so my switches just died - all of them - while trying this out :D
@selea permanently died? did strobing the speed wedge them, or actually kill the hardware?
it's awesome that you're actually testing it out
@sneak
Mikrotik :)