The PE-P300LL-FT from Pasternack Enterprises Inc is a RF Cable with Frequency Range DC to 18 GHz, Cut off Frequency 18 GHz, Propagation Velocity 0.83, Cable Diameter 0.3 Inches, Attenuation 2.9 to 21.9 dB/100ft. Tags: Flexible. More details for PE-P300LL-FT can be seen below.