Specialization Single RG59 Solid Copper, White/ Black PVC Jacket Center Conductor: "20 AWG 0.81mm ± 0.01(0.032"") Solid Copper" Dielectric: Shield: 0.12mm Copper Clad Aluminum t: "6.00 ± 0.10mm(0.236"")White/ Black PVC" Power Cords: Center Conductor: 2*7*0.37mm Copper Clad Aluminum Package: Cable Length: 1000ft (305M) Cable Package: reel in box Electrical Specifications: Capacitance: 53.1 pF/m or 16.2 pF/ft Impedance: 75 ± 3 Ohm