The LFI-5001000 from Atlantic Microwave is a RF & Microwave Isolator with Frequency 500 MHz to 1 GHz, Average Power 15 W, Average Power Forward 15 W, Average Power Reverse 10 W, Insertion Loss 1.5 dB. Tags: Module with Connector, Coaxial Isolator. More details for LFI-5001000 can be seen below.