The ADC350CE from ADMOTECH is a RF & Microwave Circulator with Frequency 3.4 to 3.6 GHz, Average Power Forward 150 W, Average Power Reverse 100 W, Insertion Loss 0.3 to 0.4 dB, Isolation 19 to 21 dB. Tags: Drop-in Circulator. More details for ADC350CE can be seen below.