The RFSL8971 from RF-CI is a RF & Microwave Isolator with Frequency 6 to 12 GHz, Average Power Forward 25 W, Average Power Reverse 10 W, Peak Power Forward 0.25 kW, Insertion Loss 0.5 to 0.6 dB. Tags: Module with Connector, Coaxial Isolator. More details for RFSL8971 can be seen below.