The RFSL8461 from RF-CI is a RF & Microwave Isolator with Frequency 800 MHz to 1.4 GHz, Average Power Forward 50 W, Average Power Reverse 20 W, Peak Power Forward 0.5 kW, Insertion Loss 0.5 to 0.6 dB. Tags: Module with Connector, Coaxial Isolator. More details for RFSL8461 can be seen below.