The SFI1317N from Fairview Microwave is a RF & Microwave Isolator with Frequency 135 to 175 MHz, Average Power Forward 150 W, Average Power Reverse 100 W, Insertion Loss 0.5 dB, Isolation 20 dB. Tags: Module with Connector, Coaxial Isolator. More details for SFI1317N can be seen below.