The SUPO-155B from ANOISON Electronics LLC is a RF Cable with Frequency Range DC to 40 GHz, Cut off Frequency 40 GHz, Propagation Velocity 0.77, Cable Diameter 0.167 Inches, Attenuation 0.10 to 0.90 dB/ft. Tags: Flexible, Hand Formable, Semi-rigid. More details for SUPO-155B can be seen below.