The PE-SR405FL-FT from Pasternack Enterprises Inc is a RF Cable with Frequency Range DC to 20 GHz, Cut off Frequency 20 GHz, Propagation Velocity 0.695, Attenuation 15 to 120 dB/100ft, Capacitance 29 pF/ft. Tags: Semi-Rigid, Hand Formable. More details for PE-SR405FL-FT can be seen below.