The CU1S1281AC-2350-00 from TDK is a RF & Microwave Circulator with Frequency 2.3 to 2.4 GHz, Bandwidth 100 MHz, Average Power Forward 20 W, Insertion Loss 0.3 dB, Isolation 23 dB. Tags: Surface Mount, Surface Mount Circulator. More details for CU1S1281AC-2350-00 can be seen below.