There are 0 pins on the high power RF circuit board.Amplifier RF Type from the Evaluation board.Use HMC591 to search for variants of the RF Board.PCB mounts RF Board.
108190-HMC591LP5 Features
0 pins Amplifier Type
108190-HMC591LP5 Applications
There are a lot of Analog Devices Inc. 108190-HMC591LP5 RF Boards applications.