The 3G4NEQ from Renaissance Electronics Corporation is a RF & Microwave Circulator with Frequency 2.05 to 2.3 GHz, Average Power Forward 126 W, Insertion Loss 0.5 dB, Isolation 20 dB, Operating Temperature -20 to 95 Degree C. Tags: Drop-in Circulator. More details for 3G4NEQ can be seen below.