| 摘要 |
<p>A communication independent identification unit (2), provided with a unique identity code (7) and including an activation device (4) and a transmitter (3) arranged to transmit information when the activation device (4) is activated, the information include at least the identity code (7) of the unit (2), the activation type and the final destination of the information. The transmitter (3) is capable of transmitting information over short distances to a long distance communication link (5), and is arranged to control the long distance communication link (5) to forward the information to its final destination. The unit (2) may further include a GPS receiver.</p> |
