The C94118/A from Smiths Interconnect is a RF & Microwave Circulator with Frequency 9.4 to 11.8 GHz, Average Power Forward 2 W, Insertion Loss 0.35 dB, Return Loss 20 dB, Operating Temperature -45 to 85 Degree C. Tags: Microstrip Circulator. More details for C94118/A can be seen below.