Cov chaw thov tseem ceeb xws li: kaw stent sib txuas, CCTV), cov ntawv thov no tsis muaj pov thawj, physics tau ua pov thawj tias kev ua raws li tus yam ntxwv ntawm Phau Ntawv Maumoos Optimal Kev Pom Zoo Video tshwm sim hauv 77 Ohms, thiab cov khoom siv thiab tsim kev txiav txim siab qhov kev ua kom zoo tshaj ntawm cable li 75 ohms hauv cov ntawv thov hluav taws xob tsawg.
Tus qauv kev yees duab Coaxial cable muaj ob tus neeg saib xyuas thiab tsim qauv kev sib txuas ntawm CCTS, thiab cov phiaj xwm kev sib kis ntawm cov chaw deb lub koob yees duab, suav nrog cov khoom siv saib xyuas.