Abstract: In one example, a system is provided. The system includes a portable, in-field unit including: a tag reader to acquire an ID tag identifier from a tag located in or on a physical item positioned within functional range of the in-field unit tag reader; a digital processor arranged for executing software code stored in the in-field unit responsive to the acquired ID tag identifier, the stored software code including—a customer application layer; and a database adapter component configured to provide database services to the processor; wherein the database services include accessing a stored database to acquire stored data associated with the acquired ID tag identifier.