The ADC214DE from ADMOTECH is a RF & Microwave Circulator with Frequency 2.11 to 2.17 GHz, Average Power Forward 50 W, Average Power Reverse 30 W, Insertion Loss 0.35 to 0.45 dB, Isolation 19 to 21 dB. Tags: Drop-in Circulator. More details for ADC214DE can be seen below.