The QCI2528C from Qualwave is a RF & Microwave Isolator with Frequency 2500 to 5900 MHz, Bandwidth 3500 MHz, Average Power Forward 60 to 100 W, Average Power Reverse 20 to 100 W, Insertion Loss 0.5 to 0.9 dB. Tags: Module with Connector, Coaxial Isolator. More details for QCI2528C can be seen below.