The RFSL8553N from RF-CI is a RF & Microwave Isolator with Frequency 1.3 to 2.6 GHz, Average Power Forward 50 W, Average Power Reverse 20 W, Peak Power Forward 0.5 kW, Insertion Loss 0.5 to 0.7 dB. Tags: Module with Connector, Coaxial Isolator. More details for RFSL8553N can be seen below.