The RFCR8410 from RF-CI is a RF & Microwave Circulator with Frequency 900 MHz to 1.5 GHz, Average Power Forward 50 W, Average Power Reverse 50 W, Peak Power 500 W, Insertion Loss 0.4 to 0.6 dB. Tags: Drop-in Circulator. More details for RFCR8410 can be seen below.