The C9YU1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 9.2 to 9.4 GHz, Average Power 50 W, Average Power Forward 50 W, Insertion Loss 0.3 dB, Isolation 20 dB. Tags: Drop-In, Drop-In Isolator. More details for C9YU1 can be seen below.