The ID5500C from Orion Microwave Inc. is a RF & Microwave Isolator with Frequency 4.9 to 6.1 GHz, Average Power 35 W, Average Power Forward 35 W, Average Power Reverse 10 W, Peak Power Forward 0.5 kW. Tags: Drop-In, Drop-In Isolator. More details for ID5500C can be seen below.