The QCC6466H from Qualwave is a RF & Microwave Circulator with Frequency 20 to 400 MHz, Bandwidth 175 MHz, Average Power Forward 10 to 100 W, Insertion Loss 0.40 to 2 dB, Isolation 18 to 20 dB. Tags: Module with Connector, Coaxial Circulator. More details for QCC6466H can be seen below.