The RFLC-HXD-47-V6 from RF-Lambda is a Space Qualified Circulator with Frequency 2.7 to 3.1 GHz, Bandwidth 400 MHz, Average Power 250 W, Average Power Forward 250 W(Power Handling CW), Insertion Loss 0.25 to 0.3 dB. Tags: Module with Connector, Coaxial Circulator. More details for RFLC-HXD-47-V6 can be seen below.