The RG213 from ANOISON Electronics LLC is a RF Cable with Frequency Range DC to 1 GHz, Cut off Frequency 1 GHz, Propagation Velocity 0.7, Cable Diameter 0.406 Inches, Attenuation 2.012 to 7.317 dB/ft. Tags: Flexible, Hand Formable, Semi-rigid. More details for RG213 can be seen below.