The CDI01010225G4 from Cernex Inc is a RF & Microwave Isolator with Frequency 1.75 to 1.78 GHz, Average Power Forward 150 W, Insertion Loss 0.25 dB, Isolation 25 dB, Operating Temperature -40 to 85 Degree C. Tags: Drop-In, Drop-In Isolator. More details for CDI01010225G4 can be seen below.