The RFSL2428 from RF-CI is a RF & Microwave Isolator with Frequency 1.5 to 1.8 GHz, Average Power Forward 200 W, Average Power Reverse 20 W, Peak Power Forward 1 kW, Insertion Loss 0.3 to 0.4 dB. Tags: Drop-In, Drop-In Isolator. More details for RFSL2428 can be seen below.