The RFCR2324 from RF-CI is a RF & Microwave Circulator with Frequency 1.1 to 1.3 GHz, Average Power Forward 200 W, Average Power Reverse 200 W, Peak Power 1000 W, Insertion Loss 0.4 to 0.6 dB. Tags: Drop-in Circulator. More details for RFCR2324 can be seen below.