The C3YT1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 3.1 to 3.5 GHz, Average Power 12 W, Average Power Forward 12 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Module with Connectors, Coaxial Isolator. More details for C3YT1 can be seen below.