The C1BU10 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 2.35 to 2.45 GHz, Average Power 200 W, Average Power Forward 200 W, Insertion Loss 0.3 dB, Isolation 20 dB. Tags: Module with Connectors, Coaxial Isolator. More details for C1BU10 can be seen below.