The EZ-86-AL-CU-SP from Cross RF is a RF Cable with Frequency Range DC to 20 GHz, Cut off Frequency 20 GHz, Propagation Velocity 0.695, Cable Diameter 0.180 Inches, Attenuation 8 to 70 dB/ft. (3 GHz to 500 Mhz). Tags: Semi-Rigid. More details for EZ-86-AL-CU-SP can be seen below.