The RFSL2918D from RF-CI is a RF & Microwave Isolator with Frequency 3.1 to 3.3 GHz, Average Power Forward 50 W, Average Power Reverse 5 W, Peak Power Forward 0.5 kW, Insertion Loss 0.35 to 0.4 dB. Tags: Drop-In, Drop-In Isolator. More details for RFSL2918D can be seen below.