0 pins are provided on the high power RF circuit board.The Evaluation board has type Mixer RF.Try searching for HMC399 variants of the RF Board.The mount is provided by PCB.
106334-HMC399MS8 Features
0 pins Mixer Type
106334-HMC399MS8 Applications
There are a lot of Analog Devices Inc. 106334-HMC399MS8 RF Boards applications.