You don’t need niche hardware to do this, if you’re handy with a soldering iron! You can quite easily modify devices intended for use on AC lines, for any condu

You don’t need niche hardware to do this, if you’re handy with a soldering iron! You can quite easily modify devices intended for use on AC lines, for any conductor! http://www.helicopting.de/ http://www.helicopting.de/ I used this to get an Ethernet link to the roof of a building using an old antenna feed line someone had left.