0 pins are on the high power RF circuit board.Input RF type Multiplier of the Evaluation board.Using the HMC814 search parameter, you can discover variants of the RF Board.PCB is the one that mounts RF Board.
112409-HMC814LC3B Features
0 pins Multiplier Type
112409-HMC814LC3B Applications
There are a lot of Analog Devices Inc. 112409-HMC814LC3B RF Boards applications.