The RFSL8915 from RF-CI is a RF & Microwave Isolator with Frequency 4.5 to 9 GHz, Average Power Forward 30 W, Average Power Reverse 10 W, Peak Power Forward 0.25 kW, Insertion Loss 0.5 to 0.6 dB. Tags: Drop-In, Drop-In Isolator. More details for RFSL8915 can be seen below.