The PE-B400-FT from Pasternack Enterprises Inc is a RF Cable with Frequency Range DC to 4 GHz, Cut off Frequency 4 GHz, Cable Diameter 0.403 Inches, Attenuation 0.5 to 13 dB/100ft, Capacitance 26 pF/ft. Tags: Flexible. More details for PE-B400-FT can be seen below.