The SPP-250-LLPL-FT from Pasternack Enterprises Inc is a RF Cable with Frequency Range DC to 5.8 GHz, Cut off Frequency 5.8 GHz, Propagation Velocity 0.76, Cable Diameter 0.28 Inches, Attenuation 3.8 to 14.8 dB/100ft. Tags: Corrugated. More details for SPP-250-LLPL-FT can be seen below.