The CCC-01A-1720 from Stellant Systems is a RF & Microwave Circulator with Frequency 1.7 to 2 GHz, Average Power Forward 100 W, Average Power Reverse 100 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Module with Connector, Coaxial Circulator. More details for CCC-01A-1720 can be seen below.