The EI1805F1880C20DA from ECHO Microwave is a RF & Microwave Isolator with Frequency 1.8 to 1.88 GHz, 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 EI1805F1880C20DA can be seen below.