RF Pencil Tag Dealer Near Me.
This tag on the purchased item becomes magnetized and sends a signal back to the pickup coils in the pedestal at harmonics of the primary frequency. The pickup coils are designed to search for specific harmonics. If the coils detect these frequencies, an alarm is tripped.
This tag on the purchased item becomes magnetized and sends a signal back to the pickup coils in the pedestal at harmonics of the primary frequency. The pickup coils are designed to search for specific harmonics. If the coils detect these frequencies, an alarm is tripped.
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