The EZ-FLEX.401 from EZ Form Cable Corporation is a RF Cable with Frequency Range DC to 19 GHz, Cut off Frequency 19 GHz, Propagation Velocity 0.695, Attenuation 19 to 45.3 dB/100ft, Power 200 to 1900 W. Tags: Flexible. More details for EZ-FLEX.401 can be seen below.