The RFCR6854 from RF-CI is a RF & Microwave Circulator with Frequency 2.7 to 3.1 GHz, Average Power Forward 100 W, Average Power Reverse 100 W, Peak Power 2000 W, Insertion Loss 0.30 to 0.40 dB. Tags: Coaxial Circulator. More details for RFCR6854 can be seen below.