The RFLC101M24M40 from RF-Lambda is a Space Qualified Circulator with Frequency 240 to 400 MHz, Bandwidth 160 MHz, Average Power Forward 50 W, Insertion Loss 0.7 to 0.8 dB, Isolation 18 to 19 dB. Tags: Module with Connector, Coaxial Circulator. More details for RFLC101M24M40 can be seen below.