The C1ZU14 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.53 to 1.99 GHz, Average Power 45 W, Average Power Forward 45 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Drop-In, Drop-In Isolator. More details for C1ZU14 can be seen below.