The ECC1705F1925A from ECHO Microwave is a RF & Microwave Circulator with Frequency 1.7 to 1.92 GHz, Average Power Forward 100 W, Insertion Loss 0.4 dB, Isolation 18 dB, Operating Temperature -30 to 70 Degree C. Tags: Coaxial Circulator. More details for ECC1705F1925A can be seen below.