The 3G2NED from Renaissance Electronics Corporation is a RF & Microwave Circulator with Frequency 900 to 930 MHz, Average Power Forward 500 W, Insertion Loss 0.3 dB, Isolation 20 to 23 dB, Operating Temperature -20 to 60 Degree C. Tags: Drop-in Circulator. More details for 3G2NED can be seen below.