The 994-037164-007 from M2 Global Technology is a RF & Microwave Circulator with Frequency 4.4 to 5.9 GHz, Average Power Forward 200 W, Insertion Loss 0.4 dB, Operating Temperature -40 to 70 Degree C. Tags: Coaxial Circulator. More details for 994-037164-007 can be seen below.