摘要 |
<p>The label has a Radio Frequency Identification antenna is installed in one part, and in the other part of the label an end of the antenna opens into a connecting pin, which is a transmitter fed with a continuous signal. The transmitter again gives a signal to the firmly installed transmission reader and closes the cycle. An alarm is released if the cycle is interrupted, which makes attentive to a tried or transacted manipulation.</p> |