LMR 600 CABLE Item Material Diameter ( inch ) Diameter ( mm ) Center Conductor Solid Copper Clad Aluminum Wire 0.1760 inch 4.47 mm Dielectric Foamed Polyethylene 0.455 inch 11.56 mm Inner Shield Sealed APA Tape 0.463 inch 11.76 mm Outer Shield 34AWG, 90% Tinned Copper Braid 0.491 inch 12.47 mm Jacket Black PE 0.590 inch 14.99 mm Operation Frequency 30 ~ 6000 ㎒ Characteristic Impedance 50 Ω Velocity of Propagation, Nom. 86 % Capacitance, Nom. 23.3 ㎋/kft (76.6 ㎋/㎞) Inner Conductor Resistance @ 20℃ 0.6 Ω/kft (3 Ω/km) Outer Conductor Resistance @ 20℃ 1.2 Ω/kft (4 Ω/km)