Embodiments of apparatuses and methods for processing virtualization events in a layered virtualization architecture are disclosed. A peak of each pulse of the preamble signal is synchronized with a sensitivity region of a super regenerative receiver. The method provides to the sender from the kiosk a machine readable staged transaction token with staging information stored thereon, including the retrieval key for use in transaction fulfillment. A first pair of connector tabs project from adjacent sides of the base to cooperate with first connection slots of adjacent side members and a second pair of connector tabs project from the post to cooperate with connection slots of the adjacent side members. The driving signal is input to the amplifier part, which generates an output to a capacitance load according to the driving signal.