full copper cable telephone 1.OEM 2.CE&RoHS 3.BC,CU,CCA,CCAM,CCS 4.Cat5,Cat5e,Cat6,FTP,SFTP,Outdoor Shield,Patch Cord. full copper cable telephone1.Conductor:Adopt soft round copper wire as conductors, whose diameter includes 0.5, 0.6. 0.8mm2.Insulation:adopt one of flame retardant polyethylene,PVC and polyethylene according to different moel,3.Line pairs:every two insulation conductor strands ...