The RFCR5352 from RF-CI is a RF & Microwave Circulator with Frequency 1.02 to 1.09 GHz, Average Power Forward 100 W, Average Power Reverse 100 W, Peak Power 500 W, Insertion Loss 0.22 to 0.3 dB. Tags: Surface Mount Circulator. More details for RFCR5352 can be seen below.