... 3) Dielectric: PE, PVC, PP. Security alarm cable 4 cores unshield Alarm Cable / Security Cable / Control Cable1,Conductor Materials:BC: Bare Copper ;TC ... or TV game data transmission.6,Packing:1)Packing Lengths: 100m/roll, 200m/roll, 305m/roll, 100yard/roll, 200yard/roll, 300yard ... ) Other packing available according to client's request. Security alarm cable 4 cores unshield