| 摘要 |
A system and method employing a combination of long-range and short-range asset location systems, preferable a GPS-based system combined with an RFID- based system. The short-range system regularly activates itself, or is remotely polled, to determine if the asset is within range of the short-rang e transceivers, and the long-range system is activated to determine the locati on of the asset when it is outside the range of the short-range transceivers. I n at least some embodiments, the asset is an automobile equipped with both RFI D and GPS-based transceivers.
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