The SiO2-200 from HUBER+SUHNER is a RF Cable with Frequency Range DC to 6 GHz, Cut off Frequency 6 GHz, Propagation Velocity 0.703, Cable Diameter 0.210 Inches, Attenuation 0.26 to 1.84 dB. Tags: Flexible. More details for SiO2-200 can be seen below.