0 pins are on the high power RF circuit board.Input RF type Multiplier of the Evaluation board.Using the HMC370 search parameter, you can discover variants of the RF Board.PCB is the one that mounts RF Board.
106137-HMC370LP4 Features
0 pins Multiplier Type
106137-HMC370LP4 Applications
There are a lot of Analog Devices Inc. 106137-HMC370LP4 RF Boards applications.