A temperature of 85°C more than 85°C degrees Celsius should be maintained in the unit.RF type is Mixer from the Evaluation board.Try searching for the RF Board with MAX2682 if you are looking for variants.
MAX2682EVKIT Features
85°C degrees Celsius Mixer Type
MAX2682EVKIT Applications
There are a lot of Maxim Integrated MAX2682EVKIT RF Boards applications.