Polytex Cables manufactures Armoured/ Unarmoured Pulse Code Modulation Cable. Polytex Cables is an ISO 9001: 2000 certified company offering a wide range of Screen Cables, Multi-core Cables, Instrumentation Cables, Signal Cables and PCM Pair Cables. The Armoured/ Unarmoured Pulse Code Modulation Cable is also known as pair Cable and is mainly used in mobile Communication antenna installation. The Armoured/ Unarmoured Pulse Code Modulation Cable comes with electrolytic type copper conductor for better transmission applications.