A gate lock device with front and rear units to be mounted on opposite sides of a structure associated with the gate and against which the gate closes. The wall assembly includes means for dividing air from a roadway region into a lower part and an upper part, and means for permitting at least a portion of the upper part to flow substantially in one or more flow directions toward a leeward region. When signals are transmitted from the terminal to the application platform via the signal transmission path, the signal is converted in an opposite way. The mobile device generates a mobile payment instruction that includes information corresponding to the identified payee and indicating a stored value card payment method.