The C3YV1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 3 to 3.5 GHz, Average Power 2 to 20 W, Average Power Forward 2 to 20 W, Insertion Loss 0.3 dB, Isolation 20 dB. Tags: Drop-In, Drop-In Isolator. More details for C3YV1 can be seen below.