The RFLC504G91G96 from RF-Lambda is a Space Qualified Circulator with Frequency 9.1 to 9.6 GHz, Bandwidth 500 MHz, Average Power Forward 50 W, Average Power Reverse 5 W, Insertion Loss 0.4 to 0.7 dB. Tags: Module with Connector, Coaxial Circulator. More details for RFLC504G91G96 can be seen below.