The high power RF circuit board is designed with 0 pins.Downconverter RF Type from the Evaluation board.Try searching with HMC377 if you're looking for variants.RF Board is included in the PCB mount.
107360-HMC377QS16G Features
0 pins Downconverter Type
107360-HMC377QS16G Applications
There are a lot of Analog Devices Inc. 107360-HMC377QS16G RF Boards applications.