The IC 7.8 abt from TKI-Ferrit is a RF & Microwave Isolator with Frequency 7.1 to 8.5 GHz, Average Power Forward 1 W, Insertion Loss 0.5 dB, Isolation 18 to 20 dB, Operating Temperature -30 to 70 Degree C. Tags: Module with Connectors, Coaxial Isolator. More details for IC 7.8 abt can be seen below.