A method of automated acquisition of a QAM signal is provided. Within the platform, entities and processes interact with an engagement management system to manage transactions, compensation events, consumer profiles, etc. Signal processing electronics are connected to the receiver section of the transducer and to the auxiliary antenna array for determining and indicating when a RF signal from a tag has been received, representing that a tagged object remains in the body of the patient, and for decoding the RF signal to identify the object. The air jet directs air flow to the bank note transport path.