The RFSL6963 from RF-CI is a RF & Microwave Isolator with Frequency 9 to 11.5 GHz, Average Power Forward 25 W, Average Power Reverse 5 W, Peak Power Forward 0.25 kW, Insertion Loss 0.3 to 0.4 dB. Tags: Module with Connector, Coaxial Isolator. More details for RFSL6963 can be seen below.