The COI03030323G from Cernex Inc is a RF & Microwave Isolator with Frequency 3.4 to 3.6 GHz, Average Power Forward 30 W, Insertion Loss 0.3 dB, Isolation 23 dB, Operating Temperature -40 to 85 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for COI03030323G can be seen below.
