The FAC-500 from ANOISON Electronics LLC is a RF Cable with Frequency Range DC to 8.8 GHz, Cut off Frequency 8.8 GHz, Propagation Velocity 0.88, Cable Diameter 0.618 Inches, Attenuation 0.66 to 4.03 dB/ft. Tags: Flexible, Hand Formable, Semi-rigid. More details for FAC-500 can be seen below.