The RFLC101M20M30 from RF-Lambda is a Space Qualified Circulator with Frequency 200 to 300 MHz, Bandwidth 100 MHz, Average Power 100 W, Average Power Forward 100 W(Power Handling CW), Insertion Loss 0.9 dB. Tags: Module with Connector, Coaxial Circulator. More details for RFLC101M20M30 can be seen below.