TWINAXIAL CABLE 20AWG 100 OHM BLACK 500FT; Wire Gauge:20AWG; Conductor Area CSA:-; Impedance:100ohm; No. of Max Strands x Strand Size:7 x 28AWG; Reel Length (Imperial):500ft; Reel Length (Metric):152.4m; Conductor Material:Copper;RoHS Compliant: Yes