The RFSL3148-T100 from RF-CI is a RF & Microwave Isolator with Frequency 512 to 698 MHz, Average Power Forward 200 W, Average Power Reverse 100 W, Peak Power Forward 1 kW, Insertion Loss 0.5 to 0.6 dB. Tags: Module with Connector, Coaxial Isolator. More details for RFSL3148-T100 can be seen below.