RG 213 is a coaxial cable designed for low-loss signal transmission in high-power and RF communication applications.It features a stranded bare copper conductor, solid polyethylene dielectric, and robust shielding with a durable black PVC jacket. Technical Specifications Cable Type: RG 213 Coaxial Cable Impedance: 50 Ohm Colour: Black Inner Conductor: Bare copper, 7 / Dielectric: Solid polyethylene, 7.25 mm diameter Outer Shield: 0.12 mm Al-Mg foil with 64-strand copper braiding Outer Jacket: PVC (Black), 10.3 mm overall diameter