The LMR-LW400-FT from Pasternack Enterprises Inc is a RF Cable with Frequency Range DC to 8 GHz, Propagation Velocity 0.84, Cable Diameter 0.405 Inches, Attenuation 0.9 to 13 dB/100ft, Capacitance 23.9 pF/ft. Tags: Flexible. More details for LMR-LW400-FT can be seen below.