The EZ-250-75 from EZ Form Cable Corporation is a RF Cable with Frequency Range DC to 20 GHz, Cut off Frequency 20 GHz, Propagation Velocity 0.695, Attenuation 4.8 to 47 dB/100ft, Operating Temperature -55 to 125 Degree C. Tags: Semi-Rigid, Hand Formable. More details for EZ-250-75 can be seen below.