The RFLC-301-1-2245M from RF-Lambda is a Space Qualified Circulator with Frequency 2.145 to 2.345 GHz, Bandwidth 200 MHz, Average Power 100 W, Average Power Forward 100 W(Average Power), Insertion Loss 0.35 to 0.4 dB. Tags: Module with Connector, Coaxial Circulator. More details for RFLC-301-1-2245M can be seen below.