There are 0 pins on the high power RF circuit board.Amplifier RF Type from the Evaluation board.Use HMC490 to search for variants of the RF Board.PCB mounts RF Board.
108402-HMC490LP5 Features
0 pins Amplifier Type
108402-HMC490LP5 Applications
There are a lot of Analog Devices Inc. 108402-HMC490LP5 RF Boards applications.