CCTV Coaxial Cable is a 75 Ohm coaxial cable engineered for high-quality, stable video signal transmission in surveillance and security systems.Its durable construction with a gas-expanded polyethylene dielectric and aluminum braid shielding ensures low signal loss and reliable long-term performance. Technical Specifications Impedance: 75 Ohm Color: Black Inner Conductor: 18 AWG hard drawn copper wire, diameter Dielectric: Gas expanded polyethylene, 7.11 mm diameter Outer Conductor: 32 AWG aluminum braid wire, 7.29 mm diameter Jacket: PVC jacket, 10.03 mm outer diameter