The RFSL8980 from RF-CI is a RF & Microwave Isolator with Frequency 8 to 12.4 GHz, Average Power Forward 15 W, Average Power Reverse 2 W, Peak Power Forward 0.25 kW, Insertion Loss 0.5 to 0.6 dB. Tags: Module with Connector, Coaxial Isolator. More details for RFSL8980 can be seen below.