The IC 10.4-4W abt v.2 from TKI-Ferrit is a RF & Microwave Isolator with Frequency 10.2 to 10.6 GHz, Average Power Reverse 4 W (Load Power), Insertion Loss 0.35 to 0.5 dB, Isolation 20 to 24 dB, Operating Temperature -40 to 85 Degree C. Tags: Module with Connectors, Coaxial Isolator. More details for IC 10.4-4W abt v.2 can be seen below.