The RFC27W500G30 from RF-Lambda is a RF & Microwave Circulator with Frequency 2.7 to 3.3 GHz, Average Power Forward 500 W, Average Power Reverse 500 W, Peak Power 1200 W, Insertion Loss 0.3 dB. Tags: Coaxial Circulator. More details for RFC27W500G30 can be seen below.