The QCC1215C from Qualwave is a RF & Microwave Circulator with Frequency 9000 to 16500 MHz, Bandwidth 2200 MHz, Average Power Forward 30 W, Insertion Loss 0.4 to 0.5 dB, Isolation 18 to 20 dB. Tags: Module with Connector, Coaxial Circulator. More details for QCC1215C can be seen below.