ปั้มไลค์ไอจี에 대해 자주 묻는 질문에 대한 7가지 답변
http://rowantvnt387.tearosediner.net/sangsa-ege-jul-su-issneun-pm-likh-seonmul-20gaji
This is because the cables are made using twisted copper pairs of incredibly tiny-gauge wire. As opposed to usual coaxial cable, this makes interference and degradation a reality whenever handling lengths over