The ADC090LD from ADMOTECH is a RF & Microwave Circulator with Frequency 850 to 950 MHz, Average Power Forward 150 W, Average Power Reverse 100 W, Insertion Loss 0.4 to 0.55 dB, Isolation 16 to 18 dB. Tags: Drop-in Circulator. More details for ADC090LD can be seen below.