The ADC100BF from ADMOTECH is a RF & Microwave Circulator with Frequency 960 MHz to 1.21 GHz, Average Power Forward 150 W, Average Power Reverse 100 W, Insertion Loss 0.45 to 0.6 dB, Isolation 13 to 15 dB. Tags: Drop-in Circulator. More details for ADC100BF can be seen below.