The AM650-900CIR1101 from Anatech Electronics is a RF & Microwave Circulator with Frequency 650 to 900 MHz, Average Power Forward 100 W, Peak Power 500 W, Insertion Loss 0.45 dB, Isolation 19 dB. Tags: Coaxial Circulator. More details for AM650-900CIR1101 can be seen below.