0 pins are on the high power RF circuit board.Input RF type Transmitter of the Evaluation board.Using the HMC8200 search parameter, you can discover variants of the RF Board.
EK1HMC8200LP5M Features
0 pins Transmitter Type
EK1HMC8200LP5M Applications
There are a lot of Analog Devices Inc. EK1HMC8200LP5M RF Boards applications.