The LMR-400-DB-FT from Pasternack Enterprises Inc is a RF Cable with Frequency Range DC to 6 GHz, Cut off Frequency 16.2 GHz, Propagation Velocity 0.85, Cable Diameter 0.405 Inches, Attenuation 0.9 to 10.8 dB/100ft. Tags: Flexible. More details for LMR-400-DB-FT can be seen below.