The SIH-01A-2023 from Stellant Systems is a RF & Microwave Circulator with Frequency 2 to 2.3 GHz, Average Power Forward 100 W, Average Power Reverse 1 W, Insertion Loss 0.8 dB, Isolation 40 dB. Tags: Module with Connector, Coaxial Circulator. More details for SIH-01A-2023 can be seen below.