Youtube 収益化: 11 Thing You're Forgetting to Do

http://finnotqt208.huicopper.com/12-do-s-and-don-ts-for-a-successful-youtube-shou-yi-hua

Even cables with designed-in repeaters often allow for an exterior electric power supply to be hooked up. That is just a bit further safety in your signal and should be a good idea depending on the predicament