The COI02081512G from Cernex Inc is a RF & Microwave Isolator with Frequency 2 to 8 GHz, Average Power Forward 10 W, Insertion Loss 1.5 dB, Isolation 12 dB, Operating Temperature 0 to 60 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for COI02081512G can be seen below.