The RFSL6970 from RF-CI is a RF & Microwave Isolator with Frequency 17 to 20 GHz, Average Power Forward 25 W, Average Power Reverse 2 W, Peak Power Forward 0.25 kW, Insertion Loss 0.4 to 0.6 dB. Tags: Module with Connector, Coaxial Isolator. More details for RFSL6970 can be seen below.