The RFSL8458-T50 from RF-CI is a RF & Microwave Isolator with Frequency 800 MHz to 2 GHz, Average Power Forward 50 W, Average Power Reverse 50 W, Peak Power Forward 0.5 kW, Insertion Loss 0.6 to 0.85 dB. Tags: Module with Connector, Coaxial Isolator. More details for RFSL8458-T50 can be seen below.