The 1573 Series from Insulated Wire is a RF Cable with Frequency Range 0.5 to 40 GHz, Cut off Frequency 41.5 GHz, Propagation Velocity 0.83, Cable Diameter 0.213 Inches, Attenuation 0.07 to 0.66 dB/ft.. Tags: Flexible. More details for 1573 Series can be seen below.