The ECI1340R1540AMF from ECHO Microwave is a RF & Microwave Isolator with Frequency 1.34 to 1.54 GHz, Average Power Forward 100 W, Insertion Loss 0.3 dB, Isolation 20 dB, Operating Temperature -30 to 70 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for ECI1340R1540AMF can be seen below.