The FBT-240 from Times Microwave Systems is a RF Cable with Frequency Range 30 to 5800 MHz, Cut off Frequency 5.8 GHz, Propagation Velocity 0.76, Cable Diameter 0.21 Inches, Attenuation 1.4 to 20 dB/100ft.. Tags: Flexible. More details for FBT-240 can be seen below.