The DNF1900-T0220 from Mercury Systems is a RF & Microwave Isolator with Frequency 2.1 to 2.401 GHz, Average Power 1 W, Average Power Forward 1 W, Peak Power Forward 100 W, Insertion Loss 0.5 dB max.. Tags: Drop-In, Drop-In Isolator. More details for DNF1900-T0220 can be seen below.