The RFSL8974 from RF-CI is a RF & Microwave Isolator with Frequency 6.5 to 16.5 GHz, Average Power Forward 25 W, Average Power Reverse 5 W, Peak Power Forward 0.25 kW, Insertion Loss 0.8 to 1 dB. Tags: Module with Connector, Coaxial Isolator. More details for RFSL8974 can be seen below.