The RFSL3327 from RF-CI is a RF & Microwave Isolator with Frequency 1 to 1.4 GHz, Average Power Forward 200 W, Average Power Reverse 20 W, Peak Power Forward 1 kW, Insertion Loss 0.6 to 0.7 dB. Tags: Module with Connector, Coaxial Isolator. More details for RFSL3327 can be seen below.