There are 0 pins on the high power RF circuit board.Switch, SPDT RF Type from the Evaluation board.Use HMC574 to search for variants of the RF Board.PCB mounts RF Board.
104124-HMC574MS8 Features
0 pins Switch, SPDT Type
104124-HMC574MS8 Applications
There are a lot of Analog Devices Inc. 104124-HMC574MS8 RF Boards applications.