The RFLC101M30M50 from RF-Lambda is a Space Qualified Circulator with Frequency 300 to 500 MHz, Bandwidth 200 MHz, Average Power Forward 50 W, Insertion Loss 0.9 dB, Isolation 17 dB. Tags: Module with Connector, Coaxial Circulator. More details for RFLC101M30M50 can be seen below.