An electronic circuit board unit for an electronic module installed in a vehicle rear view device. The electronic circuit board unit has a base plate, at least one printed circuit board, and at least one plug connection for an electronic and physical connection between the printed circuit board and the base plate. The electronic circuit board has at least one first receiver for mounting an electronic consumer unit of the electronic module and being attachable or attached to the base plate or to one of the at least one printed circuit board. There is at least one second connector attachable or attached to the base plate or to the at least one printed circuit board for connecting at least one further electronic consumer unit of the electronic module to the driver circuit of the base plate. This configuration provides either n printed circuit boards and n+1 of electronic consumer units, with n being an integer number of 1 and above, or a plurality of printed circuit boards is provided, with each circuit board comprising at least one first receiver and at least one second connector.