| 摘要 |
Described is an RFID tracking system, an RFID tag and method. The tag includes a memory storing identification data and a radio frequency transceiver receiving a signal from a first wireless transceiver. The first wireless transceiver is part of a wireless wide area network WWAN). The radio frequency transceiver transmits a response signal including the identification data to at least one second wireless transceiver. The at least one second wireless transceiver being part of a wireless local area network WLAN). A location of the RFID tag is determined as a function of the response signal.
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