The CMIG301 from Quantic Corry is a RF & Microwave Isolator with Frequency 2 to 4 GHz, Bandwidth 200 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 CMIG301 can be seen below.