The RFSL9119N from RF-CI is a RF & Microwave Isolator with Frequency 132 to 174 MHz, Average Power Forward 50 W, Average Power Reverse 20 W, Insertion Loss 0.8 to 1 dB, Isolation 15 to 16 dB. Tags: Module with Connector, Coaxial Isolator. More details for RFSL9119N can be seen below.