The C1ZU24 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.907 GHz, Peak Power 2 W, Insertion Loss 0.3 dB, Isolation 20 dB, Operating Temperature -25 to 85 Degree C. Tags: Drop-In, Drop-In Isolator. More details for C1ZU24 can be seen below.