The JG10580 from Honeywell Aerospace is a Space Qualified Circulator with Frequency 7.5 to 18 GHz, Insertion Loss 0.7 to 0.8 dB, Isolation 15 to 16 dB, Return Loss 15 to 16 dB, Operating Temperature -10 to 65 Degree C. Tags: Module with Connector, Coaxial Circulator. More details for JG10580 can be seen below.