The PE-C300-FT from Pasternack Enterprises Inc is a RF Cable with Frequency Range DC to 2.5 GHz, Cut off Frequency 2.5 GHz, Propagation Velocity 0.85, Cable Diameter 0.3 Inches, Attenuation 1.37 to 10.4 dB/100ft. Tags: Flexible. More details for PE-C300-FT can be seen below.