The CCD01010325G4 from Cernex Inc is a RF & Microwave Circulator with Frequency 1.92 to 1.98 GHz, Average Power Forward 100 W, Insertion Loss 0.3 dB, Isolation 25 dB, Operating Temperature -40 to 85 Degree C. Tags: Drop-In, Drop-in Circulator. More details for CCD01010325G4 can be seen below.