The EZ-250-AL 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 4.5 to 45.3 dB/100 ft, Power 200 to 1900 W. Tags: Semi-Rigid, Hand Formable. More details for EZ-250-AL can be seen below.