The ADC018CNLH(75)-B from ADMOTECH is a RF & Microwave Circulator with Frequency 150 to 225 MHz, Average Power Forward 100 W, Average Power Reverse 100 W, Insertion Loss 0.8 to 1 dB, Isolation 18 to 19 dB. Tags: Coaxial Circulator. More details for ADC018CNLH(75)-B can be seen below.