The RFSL8411 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: Drop-In, Drop-In Isolator. More details for RFSL8411 can be seen below.