The DCF1900-T0410 from Mercury Systems is a RF & Microwave Isolator with Frequency 4 to 8 GHz, Average Power Forward 5 W, Average Power Reverse 1 W, Insertion Loss 0.7 dB max., Isolation 17 dB min.. Tags: Drop-In, Drop-In Isolator. More details for DCF1900-T0410 can be seen below.