The 990-670750-203 from M2 Global Technology is a RF & Microwave Circulator with Frequency 6.7 to 7.5 GHz, Average Power Forward 30 W, Insertion Loss 0.4 dB, Operating Temperature -40 to 85 Degree C. Tags: Drop-in Circulator. More details for 990-670750-203 can be seen below.