C3500, Coaxial Cable, RG59/U Type, Plenum, 20 AWG Solid Copper Clad Steel, +95% Bare Copper BraidC3500 ,同轴电缆, RG59 / U型,十六届五中全会, 20 AWG实心铜包钢线, + 95 %,裸铜线编织