high power RF circuit boards with 0 pins are designed.RF Type Attenuator from the Evaluation board.Search with HMC306 if you are looking for RF Board variants.
EV1HMC306AMS10 Features
0 pins Attenuator Type
EV1HMC306AMS10 Applications
There are a lot of Analog Devices Inc. EV1HMC306AMS10 RF Boards applications.