The RFLC101M22M45 from RF-Lambda is a Space Qualified Circulator with Frequency 225 to 450 MHz, Bandwidth 225 MHz, Average Power Forward 100 W, Insertion Loss 1.4 to 1.5 dB, Isolation 15 to 16 dB. Tags: Module with Connector, Coaxial Circulator. More details for RFLC101M22M45 can be seen below.