The EZ-FLEX.250 from Radio Frequency Systems is a RF Cable with Frequency Range DC to 980 MHz, Cut off Frequency 0.98 GHz, Propagation Velocity 0.87, Cable Diameter 1.9 Inches, Attenuation 0.13 to 1.14 dB/100 ft. More details for EZ-FLEX.250 can be seen below.