A flow limiter comprises a line segment with an air inlet and an air outlet and at least one resistance element. The at least one stator includes multiple first magnetic members. A radio communication device is also disposed in the vehicle. The gate terminal and first terminal of the third MOS transistor are together coupled to the gate terminal of the second MOS transistor, and its second terminal is coupled to the first terminal of the fourth MOS transistor. The method comprises evaluating a first input point, in relation to a second input point, positioned in an input window of the limited input device, wherein the first point is associated with a first data entry mode and the second input point is associated with a second data entry mode.