An in-vehicle control device a mainboard with at least one connection exposed at a first panel of a housing. One or more connectors in a second panel of the housing are interconnected with the mainboard and accessible from outside the housing for connecting the mainboard to a vehicle system. A mounting frame cooperates with the housing at the first panel of the housing exposing the connection to the mainboard, and at least one interchangeable node, computing node and/or connectivity node, is detachably connected to the mounting frame. The at least one interchangeable node has a connector for connecting to the mainboard, and at least one System-on-a-Chip (SoC) having scalable performance capabilities, or a high-performance antenna.