The CIR01CXP-7514 from ETL Systems is a RF & Microwave Circulator with Frequency 5.7 to 6.2 GHz, Average Power Forward 60 W, Average Power Reverse 60 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Module with Connector, Coaxial Circulator. More details for CIR01CXP-7514 can be seen below.