Features18 AWG copper covered steel conductorWhite, foamed polyethylene 0.07 in nominal insulation THK, 0.18 in nominal insulation DiaAluminum, water swell able material applied over shield water block, 0.0063 in nominal aluminum wire, 100% aluminum tape, 60% aluminum wire coverage shield0.035 in nominal jacket THK82% velocity of propagation-0.7 dB/100 ft at 5 MHz, -4 dB/100 ft at 400 MHz, -7 dB/100 ft at 1000 MHz attenuationSunlight resistant