The RFSL6957 from RF-CI is a RF & Microwave Isolator with Frequency 5.7 to 6.8 GHz, Average Power Forward 25 W, Average Power Reverse 20 W, Peak Power Forward 0.25 kW, Insertion Loss 0.3 to 0.4 dB. Tags: Module with Connector, Coaxial Isolator. More details for RFSL6957 can be seen below.