The RFCR2417 from RF-CI is a RF & Microwave Circulator with Frequency 1.35 to 1.85 GHz, Average Power Forward 200 W, Average Power Reverse 200 W, Peak Power 1000 W, Insertion Loss 0.5 to 0.6 dB. Tags: Drop-in Circulator. More details for RFCR2417 can be seen below.