0 pins are provided on the high power RF circuit board.The Evaluation board has type Amplifier RF.Try searching for HMC681 variants of the RF Board.The mount is provided by PCB.
123115-HMC681ALP5 Features
0 pins Amplifier Type
123115-HMC681ALP5 Applications
There are a lot of Analog Devices Inc. 123115-HMC681ALP5 RF Boards applications.