The ADC580DE from ADMOTECH is a RF & Microwave Circulator with Frequency 5.725 to 5.875 GHz, Average Power Forward 50 W, Average Power Reverse 30 W, Insertion Loss 0.35 to 0.5 dB, Isolation 19 to 21 dB. Tags: Drop-in Circulator. More details for ADC580DE can be seen below.