The RFCR2859D from RF-CI is a RF & Microwave Circulator with Frequency 3 to 3.5 GHz, Average Power Forward 100 W, Average Power Reverse 100 W, Peak Power 1000 W, Insertion Loss 0.25 to 0.35 dB. Tags: Drop-in Circulator. More details for RFCR2859D can be seen below.