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.