The ECI1400S1550AFF from ECHO Microwave is a RF & Microwave Isolator with Frequency 1.4 to 1.55 GHz, Average Power Forward 100 W, Insertion Loss 0.25 dB, Isolation 20 dB, Operating Temperature -30 to 80 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for ECI1400S1550AFF can be seen below.