0 pins are present on the high power RF circuit board.An Evaluation board with the Phase Shifter RF type.Look for RF Board variants by searching with HMC644.
EV1HMC644ALC5 Features
0 pins Phase Shifter Type
EV1HMC644ALC5 Applications
There are a lot of Analog Devices Inc. EV1HMC644ALC5 RF Boards applications.