The RFC26W600G49G6 from RF-Lambda is a Space Qualified Circulator with Frequency 4.9 to 6 GHz, Bandwidth 1100 MHz, Average Power 600 W, Average Power Forward 600 W(Power Handling), Insertion Loss 0.50 dB. Tags: Waveguide, Waveguide Circulator. More details for RFC26W600G49G6 can be seen below.