The ADC555CSYH from ADMOTECH is a RF & Microwave Circulator with Frequency 5.2 to 5.9 GHz, Average Power Forward 60 W, Average Power Reverse 50 W, Insertion Loss 0.85 dB, Isolation 16 dB. Tags: Coaxial Circulator. More details for ADC555CSYH can be seen below.