The C1DZ2 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.64 to 1.8 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 C1DZ2 can be seen below.