On this high power RF circuit board, there are 0 pins.A RF type of Amplifier is provided by the Evaluation board.Using the HMC637 search parameter, you can discover variants of the RF Board.
108347-HMC637LP5 Features
0 pins Amplifier Type
108347-HMC637LP5 Applications
There are a lot of Analog Devices Inc. 108347-HMC637LP5 RF Boards applications.