The QCI1622B from Qualwave is a RF & Microwave Isolator with Frequency 6000 to 18000 MHz, Bandwidth 12000 MHz, Average Power Forward 20 to 30 W, Average Power Reverse 10 W, Insertion Loss 0.8 to 1.5 dB. Tags: Module with Connector, Coaxial Isolator. More details for QCI1622B can be seen below.