The T-4560H from Telewave is a RF & Microwave Isolator with Frequency 440 to 475 MHz, Average Power Forward 400 W, Insertion Loss 0.8 dB, Isolation 60 to 80 dB, Operating Temperature -30 to 60 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for T-4560H can be seen below.