The IMM440500AA from 3Rwave is a RF & Microwave Isolator with Frequency 4.4 to 5 GHz, Average Power Forward 100 W, Average Power Reverse 100 W, Insertion Loss 0.3 to 0.35 dB, Isolation 21 to 25 dB. Tags: Drop-In Isolator. More details for IMM440500AA can be seen below.