The MMCCC130A from Mesa Microwave is a RF & Microwave Circulator with Frequency 7 to 13 GHz, Bandwidth 500 to 2000 MHz, Average Power Forward 60 W, Average Power Reverse 60 W, Insertion Loss 0.3 to 0.4 dB. Tags: Module with Connectors, Coaxial Circulator. More details for MMCCC130A can be seen below.