The DH8-960-1230-693 from COM-MW is a RF & Microwave Circulator with Frequency 960 to 1230 MHz, Average Power Forward 200 W, Insertion Loss 0.4 dB, Isolation 20 dB, Operating Temperature -40 to 70 Degree C. Tags: Module With Connector, Coaxial Circulator. More details for DH8-960-1230-693 can be seen below.