Telecommunication cables from 28 to 224 pairs (14-112 quads). Copper conductor of 0.4, 0.6 and 0.8 mm, solid (0.4 mm) or cellular (0.6 and 0.8 mm) PE insulation. Stranded into star quads. Filled with PE jelly and sheathed with an anti-inductive sheath. They are cables for duct or direct burial in the distribution network when protection against electromagnetic disturbances is needed.