RG-9/U, Silver Plated Coaxial CableAWG Stranding: 13AWG (7×21)Insulation: PolyethyleneNominal O.D.: 0.420″ (10.7mm)No. of Shield/Materials: Inner-silver coated Outer-copperShield coverage: 97%Jacketing: Gray, non-contaminating PVCNominal Imp.: 51Nom. Capacitance (pF/ft): 30Nominal Attenuation at 200MHz dB/100ft: 3.0Temperature Rating: 140 Degree F (Degree C)CSA Certification: C XCNEC Certification: NEC CL2UL 1354 ListedBelden8242