The SFI3846N from Fairview Microwave is a RF & Microwave Isolator with Frequency 380 to 460 MHz, Average Power Forward 100 W, Average Power Reverse 30 W, Peak Power Forward 1 kW, Insertion Loss 0.35 dB. Tags: Module with Connector, Coaxial Isolator. More details for SFI3846N can be seen below.