The EZ-250-AL-AS-TL from Radio Frequency Systems is a RF Cable with Frequency Range DC to 3 GHz, Cut off Frequency 3 GHz, Propagation Velocity 0.95, Cable Diameter 1.984 Inches, Attenuation 0.01 to 1.17 dB/100 ft. More details for EZ-250-AL-AS-TL can be seen below.