The CCC-01A-1723 from Stellant Systems is a RF & Microwave Circulator with Frequency 1.7 to 2.3 GHz, Average Power Forward 25 W, Average Power Reverse 25 W, Insertion Loss 0.3 dB, Isolation 22 dB. Tags: Module with Connector, Coaxial Circulator. More details for CCC-01A-1723 can be seen below.