The COI01010325G2 from Cernex Inc is a RF & Microwave Isolator with Frequency 1.71 to 1.78 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 COI01010325G2 can be seen below.