The CMIG406 from Quantic Corry is a RF & Microwave Isolator with Frequency 4 to 8 GHz, Bandwidth 300 MHz, Average Power Forward 10/50/100 W, Average Power Reverse 1 W, Insertion Loss 0.6 dB. Tags: Module with Connector, Coaxial Isolator. More details for CMIG406 can be seen below.