The QCC2528C from Qualwave is a RF & Microwave Circulator with Frequency 2700 to 6200 MHz, Bandwidth 3500 MHz, Average Power Forward 60 to 150 W, Insertion Loss 0.4 to 0.8 dB, Isolation 16 to 20 dB. Tags: Module with Connector, Coaxial Circulator. More details for QCC2528C can be seen below.