The 994-037146-007 from M2 Global Technology is a RF & Microwave Circulator with Frequency 3.4 to 4.2 GHz, Average Power Forward 200 W, Insertion Loss 0.4 dB, Operating Temperature -20 to 65 Degree C. Tags: Coaxial Circulator. More details for 994-037146-007 can be seen below.