In order for it to function properly, the supply current must be operated at 175mA.There are 24 pins on this high power RF circuit board.The Evaluation board type is Modulator.Try searching with ADL5371 to find RF Board variants.
ADL5371-EVALZ Features
175mAmA 24 pins Modulator Type
ADL5371-EVALZ Applications
There are a lot of Analog Devices Inc. ADL5371-EVALZ RF Boards applications.