The DBCL1700500070A from Qotana is a RF & Microwave Circulator with Frequency 500 to 700 MHz, Average Power Forward 50 W, Insertion Loss 0.80 to 1 dB, Isolation 17 to 17.5 dB, Operating Temperature -20 to 70 Degree C. Tags: Coaxial Circulator. More details for DBCL1700500070A can be seen below.