A high power RF circuit board with 0 pins is designed.RF type is Attenuator from the Evaluation board.Try searching for the RF Board with HMC812 if you are looking for variants.
EV1HMC812ALC4 Features
0 pins Attenuator Type
EV1HMC812ALC4 Applications
There are a lot of Analog Devices Inc. EV1HMC812ALC4 RF Boards applications.