A high power RF circuit board with 0 pins is designed.RF type is Downconverter from the Evaluation board.Try searching for the RF Board with HMC951 if you are looking for variants.
EV1HMC951BLP4 Features
0 pins Downconverter Type
EV1HMC951BLP4 Applications
There are a lot of Analog Devices Inc. EV1HMC951BLP4 RF Boards applications.