The RFSL8919 from RF-CI is a RF & Microwave Isolator with Frequency 5.3 to 12.7 GHz, Average Power Forward 25 W, Average Power Reverse 10 W, Peak Power Forward 0.25 kW, Insertion Loss 0.7 to 0.8 dB. Tags: Drop-In, Drop-In Isolator. More details for RFSL8919 can be seen below.