The IC 11.7 from TKI-Ferrit is a RF & Microwave Isolator with Frequency 10 to 13.7 GHz, Average Power Forward 1 W, Insertion Loss 0.35 to 0.5 dB, Isolation 20 to 24 dB, Operating Temperature -30 to 70 Degree C. Tags: Module with Connectors, Coaxial Isolator. More details for IC 11.7 can be seen below.