The PE-1/4SFHC-FT from Pasternack Enterprises Inc is a RF Cable with Frequency Range DC to 20.4 GHz, Cut off Frequency 25 GHz, Propagation Velocity 0.82, Cable Diameter 0.303 Inches, Attenuation 0.94 to 10.73 dB/100ft. Tags: Corrugated. More details for PE-1/4SFHC-FT can be seen below.