Containerized cargo/high value asset tracking method, device and system
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United States of America Patent
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Aug 31, 2010
Grant Date -
Aug 25, 2005
app pub date -
Jan 31, 2005
filing date -
Jan 30, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A cargo, containerized cargo, high value asset monitoring and tracking communication system including a local area network (LAN) transmitter that transmits a first message having a first frequency spectrum, and a wide area network (WAN) uplink device that receives the first message from the local area network radio transmitter, whereby both WAN and LAN share the same spectrum. Further, the WAN uplink device transmits a second message having a second frequency spectrum overlapping the first frequency spectrum to a WAN receiver using an orbital satellite. At least one of the LAN transmitter and the WAN uplink device transmits with a transmission characteristic different from a transmission characteristic of the other. A communication device and method include similar features.
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