The DNF1900-T0100 from Mercury Systems is a RF & Microwave Circulator with Frequency 1.44 to 1.53 GHz, Bandwidth 96 MHz, Average Power Forward 100 W, Insertion Loss 0.5 dB, Isolation 18 dB. Tags: Drop-in Circulator. More details for DNF1900-T0100 can be seen below.