The EZ-56 from EZ Form Cable Corporation is a RF Cable with Frequency Range DC to 108 GHz, Cut off Frequency 108 GHz, Propagation Velocity 0.695, Attenuation 23.2 to 409 dB/100 ft, Power 22 to 135 W. Tags: Semi-Rigid, Hand Formable. More details for EZ-56 can be seen below.