The QCC5050A from Qualwave is a RF & Microwave Circulator with Frequency 1300 to 3000 MHz, Bandwidth 1500 MHz, Average Power Forward 10 to 100 W, Insertion Loss 0.7 dB, Isolation 16 to 17 dB. Tags: Module with Connector, Coaxial Circulator. More details for QCC5050A can be seen below.