The CU1S1941AC-1960-00 from TDK is a RF & Microwave Circulator with Frequency 1.93 to 1.99 GHz, Bandwidth 60 MHz, Average Power Forward 100 W, Insertion Loss 0.3 dB, Isolation 20 dB. Tags: Surface Mount, Surface Mount Circulator. More details for CU1S1941AC-1960-00 can be seen below.