The EZ-250-SP from Cross RF is a RF Cable with Frequency Range DC to 12.4 GHz, Cut off Frequency 12.4 GHz, Propagation Velocity 0.695, Cable Diameter 2.9 Inches, Attenuation 5.1 to 59.0 dB/100ft (1GHz to 500MHz). Tags: Flexible. More details for EZ-250-SP can be seen below.