The DH9-18-26.5G-1560 from COM-MW is a RF & Microwave Circulator with Frequency 18 to 26.5 GHz, Average Power Forward 10 W, Insertion Loss 0.9 dB, Isolation 14 dB, Operating Temperature -30 to 70 Degree C. Tags: Module With Connector, Coaxial Circulator. More details for DH9-18-26.5G-1560 can be seen below.