The C5XM4 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 5.4 to 5.9 GHz, Average Power 100 W, Average Power Forward 100 W, Peak Power 100 W, Insertion Loss 0.4 dB. Tags: Module with Connectors, Coaxial Isolator. More details for C5XM4 can be seen below.