The DBCL1518002650A from Qotana is a RF & Microwave Circulator with Frequency 18 to 26.5 GHz, Average Power Forward 10 W, Insertion Loss 1.60 to 1.70 dB, Isolation 12 to 14 dB, Operating Temperature -40 to 80 Degree C. Tags: Coaxial Circulator. More details for DBCL1518002650A can be seen below.