The QCC5258E from Qualwave is a RF & Microwave Circulator with Frequency 160 to 330 MHz, Bandwidth 70 MHz, Average Power Forward 100 to 400 W, Insertion Loss 0.2 to 0.7 dB, Isolation 18 to 23 dB. Tags: Module with Connector, Coaxial Circulator. More details for QCC5258E can be seen below.