The CU4S0506AC-782-00 from TDK is a RF & Microwave Circulator with Frequency 777 to 787 MHz, Bandwidth 10 MHz, Average Power Forward 5 W, Insertion Loss 0.9 dB, Isolation 13 dB. Tags: Surface Mount, Surface Mount Circulator. More details for CU4S0506AC-782-00 can be seen below.