Is Tech Making 유튜브 동영상 홍보 Better or Worse?

http://jaidenadvo761.iamarrows.com/7-horrible-mistakes-you-re-making-with-yutyubeu-chaeneol-hongbo

Typically, signal boosters and repeaters want an external ability resource to boost the signal, but as a result of its style and design, HDMI can actually be extended without having an external electrical power