The ADC290CSQH from ADMOTECH is a RF & Microwave Circulator with Frequency 2.7 to 3.1 GHz, Average Power Forward 150 W, Average Power Reverse 100 W, Insertion Loss 0.45 dB, Isolation 18 dB. Tags: Coaxial Circulator. More details for ADC290CSQH can be seen below.