The ECI150F174BD from ECHO Microwave is a RF & Microwave Isolator with Frequency 150 to 174 MHz, Average Power Forward 1 W, Insertion Loss 2 dB, Isolation 45 dB, Operating Temperature -10 to 65 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for ECI150F174BD can be seen below.