The RFSL2858 from RF-CI is a RF & Microwave Isolator with Frequency 3.3 to 3.5 GHz, Average Power Forward 100 W, Average Power Reverse 20 W, Peak Power Forward 1 kW, Insertion Loss 0.2 to 0.3 dB. Tags: Drop-In, Drop-In Isolator. More details for RFSL2858 can be seen below.