The COI06120618G from Cernex Inc is a RF & Microwave Isolator with Frequency 6 to 12 GHz, Average Power Forward 5 W, Insertion Loss 0.6 dB, Isolation 18 dB, Operating Temperature -30 to 70 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for COI06120618G can be seen below.