| 摘要 |
A system for tracking elements employing fixed tags that are permanently attached to elements. The tags include radio-frequency (RF) communication units that are adapted for wireless communication with RF communicators. The RF tags are permanently affixed to elements as part of the manufacturing of products such as cell phones, PDA's, computers, routers and other electronic equipment. The RF tags are installed during manufacturing in a manner that resists tampering and interference. The RF tags are installed with mechanical barriers to access and are hidden from view in non-user accessible locations.
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