The CCES-24-27.5 from ESJ Technology is a RF & Microwave Circulator with Frequency 24.25 to 27.5 GHz, Average Power Forward 30 W, Insertion Loss 0.6 dB, Isolation 18 dB, Operating Temperature -30 to 70 Degree C. Tags: Coaxial Circulator. More details for CCES-24-27.5 can be seen below.