The SZ4999603 from CommScope is a RF Cable with Frequency Range 5.0 to 3000 MHz, Cut off Frequency 3 GHz, Propagation Velocity 0.85, Cable Diameter 0.4 Inches, Attenuation 0.38 to 8.02 dB/100 ft.. Tags: Flexible. More details for SZ4999603 can be seen below.