The ADC200CE(400) from ADMOTECH is a RF & Microwave Circulator with Frequency 1.8 to 2.2 GHz, Average Power Forward 150 W, Average Power Reverse 100 W, Insertion Loss 0.35 to 0.45 dB, Isolation 17 to 19 dB. Tags: Drop-in Circulator. More details for ADC200CE(400) can be seen below.