The ADC130BF from ADMOTECH is a RF & Microwave Circulator with Frequency 1.2 to 1.4 GHz, Average Power Forward 150 W, Average Power Reverse 100 W, Insertion Loss 0.35 to 0.5 dB, Isolation 18 to 20 dB. Tags: Drop-in Circulator. More details for ADC130BF can be seen below.