The EZ-250-AS from Cross RF is a RF Cable with Frequency Range DC to 37.8 GHz, Cut off Frequency 37.8 GHz, Propagation Velocity 0.75, Cable Diameter 0.195 Inches, Attenuation 3.5 to 27.4 dB/100ft (1 GHz to 900 MHz). Tags: Flexible. More details for EZ-250-AS can be seen below.