The IC 12 abt from TKI-Ferrit is a RF & Microwave Isolator with Frequency 10 to 14 GHz, Average Power Reverse 1 W (Load Power), Insertion Loss 0.35 dB, Isolation 22 dB, Operating Temperature -10 to 65 Degree C. Tags: Module with Connectors, Coaxial Isolator. More details for IC 12 abt can be seen below.