The CMIG401 from Quantic Corry is a RF & Microwave Isolator with Frequency 2.5 to 6 GHz, Bandwidth 400 MHz, Average Power Forward 10/50/100 W, Average Power Reverse 1 W, Insertion Loss 0.3 dB. Tags: Module with Connector, Coaxial Isolator. More details for CMIG401 can be seen below.