NF-transmission module for a keyless use authorization control device and method for transmitting Weck and positioning signals in a keyless use authorization control

NF transmit module for a base station of a keyless use authorization control device for a motor vehicle for transmitting alarm and / or detection signals on a NF-spark gap via at least connected one each to a final stage (3) antenna (4), characterized in that the LF transmitting module (1) a DC voltage converter (8) adapted to compensate for voltage fluctuations in the electrical system, comprising and at least one output stage (3) with its voltage input (15) to the output (11) of the DC-DC converter (8).