The CNA-2325 from Stellant Systems is a RF & Microwave Circulator with Frequency 2.3 to 2.5 GHz, Insertion Loss 0.5 dB, Isolation 20 dB, Operating Temperature -20 to 65 Degree C. Tags: Module with Connector, Coaxial Circulator. More details for CNA-2325 can be seen below.