The ADC150BF from ADMOTECH is a RF & Microwave Circulator with Frequency 1.4 to 1.6 GHz, Average Power Forward 150 W, Average Power Reverse 100 W, Insertion Loss 0.3 to 0.5 dB, Isolation 18 to 21 dB. Tags: Drop-in Circulator. More details for ADC150BF can be seen below.