The CDI01010325G11 from Cernex Inc is a RF & Microwave Isolator with Frequency 1.8 to 1.88 GHz, Average Power Forward 50 W, Insertion Loss 0.3 dB, Isolation 25 dB, Operating Temperature -40 to 85 Degree C. Tags: Drop-In, Drop-In Isolator. More details for CDI01010325G11 can be seen below.