RFID Detector Card

Design firm Montie Design has developed an innovative radio frequency identification (RFID) detector card for sensing signals in domestic and international markets. ...

... "Small enough to fit into a shirt pocket or clip to an ID badge, Montie Design’s product enables users and installers to detect whether an RFID reader is actually sending out a signal. Installers or users need simply move the RFID detector card towards the RFID reader antenna; if the RFID reader antenna is actively radiating a signal, the center of the card will activate a bright blue led light. Depending on the antenna and the power level radiated by the RFID system, the card will illuminate as far as two feet away from the antenna. " ...

Via Montie Design: New RFID Detector