The EI1930F1990C20DA from ECHO Microwave is a RF & Microwave Isolator with Frequency 1.93 to 1.99 GHz, Average Power Forward 100 W, Insertion Loss 0.3 dB, Isolation 20 dB, Operating Temperature -20 to 80 Degree C. Tags: Drop-In, Drop-In Isolator. More details for EI1930F1990C20DA can be seen below.