The SDI-1416 from Sierra Microwave Technology is a RF & Microwave Isolator with Frequency 1.4 to 1.6 GHz, Average Power Forward 4 W, Peak Power Forward 200 W, Insertion Loss 0.5 dB, Isolation 20 dB. Tags: Drop-In, Drop-In Isolator. More details for SDI-1416 can be seen below.