Coaxial cable
Ib coaxial cable muaj li ntawm tus neeg xyuas pib tooj liab tooj hlau (ib leeg xaim lossis ntau txoj hlua hlau), txheej txheej insulating, mesh braided sab nraud cov txheej txheem thaiv npog txheej (lossis ib txheej tib leeg), thiab cov yas tiv thaiv txheej txheej sab nraud. Vim lub luag haujlwm ntawm tus neeg xyuas pib tiv thaiv txheej txheej, coaxial cables muaj qhov zoo tiv thaiv kev cuam tshuam thiab tau siv dav xa cov ntaub ntawv ceev dua.