The ADC032GD from ADMOTECH is a RF & Microwave Circulator with Frequency 310 to 330 MHz, Average Power Forward 150 W, Average Power Reverse 100 W, Insertion Loss 0.4 to 0.55 dB, Isolation 15 to 17 dB. Tags: Drop-in Circulator. More details for ADC032GD can be seen below.