There are 0 pins on the high power RF circuit board.Mixer RF Type from the Evaluation board.Use HMC558 to search for variants of the RF Board.PCB mounts RF Board.
109952-HMC558LC3B Features
0 pins Mixer Type
109952-HMC558LC3B Applications
There are a lot of Analog Devices Inc. 109952-HMC558LC3B RF Boards applications.