The RFSL2123-T200 from RF-CI is a RF & Microwave Isolator with Frequency 430 to 460 MHz, Average Power Forward 200 W, Average Power Reverse 200 W, Peak Power Forward 1 kW, Insertion Loss 0.25 to 0.3 dB. Tags: Drop-In, Drop-In Isolator. More details for RFSL2123-T200 can be seen below.