The C3ZC1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 3.4 to 3.5 GHz, Average Power 3.16 W, Average Power Forward 3.16 W, Insertion Loss 0.3 dB, Isolation 20 dB. Tags: Microstrip, Microstrip Isolator. More details for C3ZC1 can be seen below.