The EI921F960C20DB from ECHO Microwave is a RF & Microwave Isolator with Frequency 921 to 960 MHz, Average Power Forward 100 W, Insertion Loss 0.3 dB, Isolation 20 dB, Operating Temperature -30 to 85 Degree C. Tags: Drop-In, Drop-In Isolator. More details for EI921F960C20DB can be seen below.