Telephone cable 1.Standards: IEC60502 GB12706-91 2. Factory directly sale 3. Respond within 12 hours ProductTelephone cableProduct data table Number/DiameterThickness of insulation (mm)Nominal thickness of sheath (mm)Sheath outer diameter (mm)Approx weight of wire (kg/km) 2*1.20.51.04.2*6.444 Telephone cable