The COI01010325G23 from Cernex Inc is a RF & Microwave Isolator with Frequency 1.93 to 1.99 GHz, Average Power Forward 150 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 COI01010325G23 can be seen below.