As RFID use expands, the benefits of item level tagging become clear and in order to tag very large quantities of items, some of which have a relatively low monetary value, it is imperative that the RFID inlay be low cost as well. Passive UHF technology meets the technical requirements needed for implementation while meeting the low cost requirement. Users can see that the forecast for passive UHF tags shows tremendous overall unit growth and that UHF passive tags are forecast to continue to dominate.