Sterlite Technologies Limited offers PCM Copper Telecom Cables. Sterlite Technologies Limited is ISO 9001 certified company. The PCM Copper Telecom Cables deliver superior performance in data transmission and performance reliability. These are solid insulated twisted pair cables filled with water resistance compound and a polyal laminate moisture barrier, available in armored and unarmored variants. The PCM Copper Telecom Cables are recommended for transmission of voice frequency signals between 300 Hz and 3600 Hz and digital signals at 2 Mbps at electrical levels. These are suitable for outdoor direct-burial or duct installations and are applicable in telecommunication networks.