Whenever PHOTON UHF RF Field Detector Passive Tag is close to RF field source, it will harvest energy from RF field and drive LED. Tag can be used to assess status of aging RFID implementations and to signal activities to users. Entering specific area may require certain set of procedures from user. To make user aware that he/she entered area, LED will act as visual indicator and remind user about specific task to do and specific location to act at.
This story is related to the following:Automatic IDRF Tags | RF Integrated Circuits