The C3YR1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 3.3 to 3.6 GHz, Average Power 10 W, Average Power Forward 10 W, Insertion Loss 0.2 dB, Isolation 20 dB. Tags: Drop-In, Drop-In Isolator. More details for C3YR1 can be seen below.