The C2YD5 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 3 to 3.6 GHz, Average Power 45 W, Average Power Forward 45 W, Insertion Loss 0.5 dB, Isolation 20 dB. Tags: Module with Connectors, Coaxial Isolator. More details for C2YD5 can be seen below.