The DIC0390L(R)1 from Partron is a RF & Microwave Isolator with Frequency 380 to 400 MHz, Average Power Forward 150 to 200 W, Insertion Loss 0.3 dB, Isolation 20 dB, Return Loss 20 dB. Tags: Drop-In, Drop-In Isolator. More details for DIC0390L(R)1 can be seen below.