The RFSL9109 from RF-CI is a RF & Microwave Isolator with Frequency 54 to 60 MHz, Average Power Forward 200 W, Average Power Reverse 20 W, Insertion Loss 0.8 to 1 dB, Isolation 17 to 19 dB. Tags: Drop-In, Drop-In Isolator. More details for RFSL9109 can be seen below.