There are 0 pins on this high power RF circuit board.The Evaluation board type is Switch, SPDT.Try searching with HMC546 to find RF Board variants.The mount is attached to PCB.
110127-HMC546MS8G Features
0 pins Switch, SPDT Type
110127-HMC546MS8G Applications
There are a lot of Analog Devices Inc. 110127-HMC546MS8G RF Boards applications.