The C5BS2 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 5.871 to 6.458 GHz, Average Power 500 W, Average Power Forward 500 W, Insertion Loss 0.7 dB, Isolation 20 dB. Tags: Module with Connectors, Coaxial Isolator. More details for C5BS2 can be seen below.