The DNF1300-T1000 from Mercury Systems is a RF & Microwave Circulator with Frequency 10.7 to 13.3 GHz, Bandwidth 2601 MHz, Average Power Forward 5 W, Peak Power 20 W, Insertion Loss 0.4 dB. Tags: Drop-in Circulator. More details for DNF1300-T1000 can be seen below.