The CU4S0506BC-2595-00 from TDK is a RF & Microwave Circulator with Frequency 2.57 to 2.62 GHz, Bandwidth 50 MHz, Average Power Forward 5 W, Insertion Loss 0.75 dB, Isolation 13 dB. Tags: Surface Mount, Surface Mount Circulator. More details for CU4S0506BC-2595-00 can be seen below.