The RFC26-600-555 from RF-Lambda is a Space Qualified Circulator with Frequency 5.4 to 5.7 GHz, Bandwidth 300 MHz, Average Power Forward 600 W, Peak Power 12 kW, Insertion Loss 0.50 dB. Tags: Waveguide, Waveguide Circulator. More details for RFC26-600-555 can be seen below.