The T-1560H from Telewave is a RF & Microwave Isolator with Frequency 148 to 174 MHz, Average Power Forward 300 W, Insertion Loss 0.9 dB, Isolation 55 to 65 dB, Operating Temperature -30 to 60 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for T-1560H can be seen below.