The ADC084BF from ADMOTECH is a RF & Microwave Circulator with Frequency 806 to 870 MHz, Average Power Forward 150 W, Average Power Reverse 100 W, Insertion Loss 0.25 to 0.4 dB, Isolation 21 to 23 dB. Tags: Drop-in Circulator. More details for ADC084BF can be seen below.