0 pins are on the high power RF circuit board.Input RF type Amplifier of the Evaluation board.Using the HMC1049 search parameter, you can discover variants of the RF Board.PCB is the one that mounts RF Board.
EVAL01-HMC1049LP5 Features
0 pins Amplifier Type
EVAL01-HMC1049LP5 Applications
There are a lot of Analog Devices Inc. EVAL01-HMC1049LP5 RF Boards applications.