1m CB100 BLACK Manufactured by Cables Britain. Specified to meet en 50117 with a watertight dielectric, this 75-ohm cable is ideal for use where water ingress might be a problem. Inner Conductor mm 1.00cu Dielectric mm 4.8 Foam Pe Outer Conductor mm CU Foil Outer Sheath Mm 6.8 pvc Setting Radius Mm 65MM Attenuation 100MHz 5.90 dB/100m 470 13.3 860 18.3 2150 30.3