The ADC465DD from ADMOTECH is a RF & Microwave Circulator with Frequency 4.4 to 4.9 GHz, Average Power Forward 60 W, Average Power Reverse 50 W, Insertion Loss 0.45 to 0.6 dB, Isolation 16 to 18 dB. Tags: Drop-in Circulator. More details for ADC465DD can be seen below.