The ADC130BD(200) from ADMOTECH is a RF & Microwave Circulator with Frequency 1.2 to 1.4 GHz, Average Power Forward 150 W, Average Power Reverse 100 W, Insertion Loss 0.3 to 0.4 dB, Isolation 21 to 23 dB. Tags: Drop-in Circulator. More details for ADC130BD(200) can be seen below.