The IMM520590AQ from 3Rwave is a RF & Microwave Isolator with Frequency 5.2 to 5.9 GHz, Average Power Forward 100 W, Average Power Reverse 100 W, Insertion Loss 0.35 to 0.45 dB, Isolation 15 to 18 dB. Tags: Drop-In Isolator. More details for IMM520590AQ can be seen below.