The ADC105BF from ADMOTECH is a RF & Microwave Circulator with Frequency 900 MHz to 1.2 GHz, Average Power Forward 150 W, Average Power Reverse 100 W, Insertion Loss 0.65 to 0.8 dB, Isolation 11 to 13 dB. Tags: Drop-in Circulator. More details for ADC105BF can be seen below.