The 3G6NAB from Renaissance Electronics Corporation is a RF & Microwave Circulator with Frequency 5.4 to 5.9 GHz, Average Power Forward 50 W, Insertion Loss 0.35 dB, Isolation 18 dB, Operating Temperature -40 to 80 Degree C. Tags: Drop-in Circulator. More details for 3G6NAB can be seen below.