1.Application Standard: Be used for CATV network and satellite ground receiving system. 2.Product Description: Solid bare copper (BC) or copper clad steel (CCS) Foam Polyethylene (FPE) insulated, Bonded or non-bonded Aluminium Foil (ALTO) shielded; Tinned Copper or Aluminium Alloy (AA) or solid bare copper (BC) shielded; Non-bonded Aluminium Foil (ALTO) shielded; (Optional) Tinned Copper (TC) or Aluminium Foil (AA) shielded; (Optional) Flooding Compound (APD), PVC/PE Jacket, Galvanized Steel or Copper Clad Steel (CCS) Messenger. (Optional) . 3. Electrical Properties: Impedance: 75 +/- 3 Ohm Mutual Capacitance: 50 +/ -3.0 nF/km Velocity Ratio: 85%