Belden Black RG174/U Coaxial Cable, Polyvinyl Chloride PVC Sheath 500m, 50 Ω, 2.79mm OD. Insulation Material: PE. Conductor Material: Bare Copper Clad Steel. Conductor Strand Type: Stranded. Core Strands: 7/34. Size of Strands: 34 AWG. Attenuation: 101.7 dB/100m @ 900MHz, 111.5 dB/100m @ 1GHz, 62.3 dB/100m @ 400MHz, 88.6 dB/100m @ 700MHz. Minimum Operating Temperature: -40°C. MPN: MRG1740.00500