The CU4S0506BC-2593-00 from TDK is a RF & Microwave Circulator with Frequency 2.496 to 2.69 GHz, Bandwidth 194 MHz, Average Power Forward 5 W, Insertion Loss 0.9 dB, Isolation 12 dB. Tags: Surface Mount, Surface Mount Circulator. More details for CU4S0506BC-2593-00 can be seen below.