The Advanced Guide to Youtube ライブ配信 視聴者数
http://martinlswg048.huicopper.com/youtube-raibu-pei-xin-shi-ting-zhe-shu-it-s-not-as-difficult-as-you-think
This is because the cables are made using twisted copper pairs of pretty compact-gauge wire. As opposed to typical coaxial cable, this would make interference and degradation a fact whenever managing lengths above