The ADC175CSQH from ADMOTECH is a RF & Microwave Circulator with Frequency 1.71 to 1.785 GHz, Average Power Forward 150 W, Average Power Reverse 100 W, Insertion Loss 0.35 dB, Isolation 21 dB. Tags: Coaxial Circulator. More details for ADC175CSQH can be seen below.