The RFSL2180 from RF-CI is a RF & Microwave Isolator with Frequency 270 to 335 MHz, Average Power Forward 200 W, Average Power Reverse 20 W, Peak Power Forward 1 kW, Insertion Loss 0.5 to 0.7 dB. Tags: Drop-In, Drop-In Isolator. More details for RFSL2180 can be seen below.