The RFLC101M52M80 from RF-Lambda is a Space Qualified Circulator with Frequency 525 to 805 MHz, Bandwidth 280 MHz, Average Power 20 W, Average Power Forward 20 W(Power Handling CW), Insertion Loss 0.80 dB. Tags: Module with Connector, Coaxial Circulator. More details for RFLC101M52M80 can be seen below.