The RFCR6359 from RF-CI is a RF & Microwave Circulator with Frequency 950 MHz to 1.25 GHz, Average Power Forward 250 W, Average Power Reverse 250 W, Peak Power 2500 W, Insertion Loss 0.60 to 0.70 dB. Tags: Coaxial Circulator. More details for RFCR6359 can be seen below.