The RFSL8412 from RF-CI is a RF & Microwave Isolator with Frequency 900 MHz to 1.5 GHz, Average Power Forward 50 W, Average Power Reverse 20 W, Peak Power Forward 0.5 kW, Insertion Loss 0.4 to 0.6 dB. Tags: Drop-In, Drop-In Isolator. More details for RFSL8412 can be seen below.