telephone cord core:2 category: cat5e material: cu Normal Dia:1.8mm lan cable cat 5e UTP indoor,UTP/FTP cat5 data cable, CCA telephone cord 1pair 2pair indoorColor Coded PE Insulation.Cores Twisted as Pair Type.4 Pairs With or without Separator.PE jacket250MHz,100Ω.all products made are in accordance with required specification., CCA telephone cord 1pair 2pair indoor