The CMIG404 from Quantic Corry is a RF & Microwave Isolator with Frequency 3.7 to 6.5 GHz, Bandwidth 300 MHz, Average Power Forward 10/50/100 W, Average Power Reverse 1 W, Insertion Loss 0.25 dB. Tags: Drop-In, Drop-In Isolator. More details for CMIG404 can be seen below.