The COI01010325G10 from Cernex Inc is a RF & Microwave Isolator with Frequency 1.85 to 1.88 GHz, Average Power Forward 100 W, Insertion Loss 0.3 dB, Isolation 25 dB, Operating Temperature -40 to 85 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for COI01010325G10 can be seen below.