The QCC-5000-10000-10-S-1 from Qualwave is a RF & Microwave Circulator with Frequency 5000 to 10000 MHz, Bandwidth 5000 MHz, Average Power Forward 10 W, Insertion Loss 0.6 dB, Isolation 17 dB. Tags: Module with Connector, Coaxial Circulator. More details for QCC-5000-10000-10-S-1 can be seen below.