The DNF2540-T0001 from Mercury Systems is a RF & Microwave Isolator with Frequency 960 MHz to 1.21 GHz, Average Power 1 W, Average Power Forward 1 W, Peak Power Forward 100 W, Insertion Loss 0.6 dB max.. Tags: Drop-In, Drop-In Isolator. More details for DNF2540-T0001 can be seen below.