The RFSL8709 from RF-CI is a RF & Microwave Isolator with Frequency 1.5 to 4 GHz, Average Power Forward 50 W, Average Power Reverse 20 W, Peak Power Forward 0.5 kW, Insertion Loss 0.8 to 1 dB. Tags: Drop-In, Drop-In Isolator. More details for RFSL8709 can be seen below.