The RFSL3321-T100 from RF-CI is a RF & Microwave Isolator with Frequency 1.4 to 1.6 GHz, Average Power Forward 200 W, Average Power Reverse 100 W, Peak Power Forward 1 kW, Insertion Loss 0.35 to 0.5 dB. Tags: Module with Connector, Coaxial Isolator. More details for RFSL3321-T100 can be seen below.