The LFI-200400 from Atlantic Microwave is a RF & Microwave Isolator with Frequency 200 to 400 MHz, Average Power 50 W, Average Power Forward 50 W, Average Power Reverse 10 W, Insertion Loss 1.2 dB. Tags: Module with Connector, Coaxial Isolator. More details for LFI-200400 can be seen below.