The RFCR2159 from RF-CI is a RF & Microwave Circulator with Frequency 220 to 280 MHz, Average Power Forward 200 W, Average Power Reverse 200 W, Peak Power 1000 W, Insertion Loss 0.50 to 0.70 dB. Tags: Drop-in Circulator. More details for RFCR2159 can be seen below.