The C 550 CICWH from Southern Microwave Inc is a RF & Microwave Isolator with Frequency 5 to 6 GHz, Average Power Forward 50 W, Average Power Reverse 40 W, Insertion Loss 0.5 dB, Isolation 20 dB. Tags: Module with Connector, Coaxial Isolator. More details for C 550 CICWH can be seen below.