The IC 14.1 aat v.2 from TKI-Ferrit is a RF & Microwave Isolator with Frequency 12.7 to 15.5 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 14.1 aat v.2 can be seen below.