The GF5-56T from GIGAFLIGHT Connectivity is a RF Cable with Cut off Frequency 150 to 5000 MHz, Propagation Velocity 0.8, Attenuation 5.6 dB, Capacitance 25.5 pF, Operating Temperature -55 to 200 Degree C. Tags: Flexible. More details for GF5-56T can be seen below.