Just for ITs - Coaxial Cable Coaxial cabling has a single copper conductor at its center. A plastic layer provides insulation between the center conductor and a braided metal shield . The
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Kathrein LCM 17A+ 100m Negro - Cable coaxial (Cobre, 100 m, Negro, 75 Ω, 1,04 cm, Polietileno (PE)) : Amazon.es: Electrónica