The XD10661 from Honeywell Aerospace is a Space Qualified Isolator with Frequency 8 to 16 GHz, Insertion Loss 0.6 to 0.7 dB, Isolation 14 to 16 dB, Return Loss 14 to 16 dB, Operating Temperature -10 to 65 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for XD10661 can be seen below.