The SPO-500-FT from Pasternack Enterprises Inc is a RF Cable with Frequency Range DC to 6 GHz, Cut off Frequency 6 GHz, Propagation Velocity 0.83, Cable Diameter 0.53 Inches, Attenuation 2.43 to 9.6 dB/100ft. Tags: Corrugated. More details for SPO-500-FT can be seen below.