The CU1S2403BC-881-00 from TDK is a RF & Microwave Circulator with Frequency 869 to 894 GHz, Bandwidth 25 MHz, Average Power Forward 100 W, Insertion Loss 0.25 dB, Isolation 20 dB. Tags: Surface Mount, Surface Mount Circulator. More details for CU1S2403BC-881-00 can be seen below.