The RFCR8407 from RF-CI is a RF & Microwave Circulator with Frequency 800 MHz to 2 GHz, Average Power Forward 50 W, Average Power Reverse 50 W, Peak Power 500 W, Insertion Loss 0.6 to 0.85 dB. Tags: Drop-in Circulator. More details for RFCR8407 can be seen below.