The ADC180CSQH(200) from ADMOTECH is a RF & Microwave Circulator with Frequency 1.7 to 1.9 GHz, Average Power Forward 150 W, Average Power Reverse 100 W, Insertion Loss 0.40 dB, Isolation 19 dB. Tags: Coaxial Circulator. More details for ADC180CSQH(200) can be seen below.