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How is RoundTrip different from GPS systems?
A GPS (Global Positioning System) computes the distance to multiple earth-orbiting satellites that emit synchronized timing signals. This gives a single data point: the user’s location.
In contrast, the RoundTrip system determines locations of multiple tags simultaneously, any of which may be very remote from the locator. |
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GPS requires an unobstructed line-of-sight to multiple satellites, which is a problem anywhere a major portion of the sky is not visible. The RoundTrip system works reliably even indoors.
GPS requires considerably more power than a RoundTrip tag and does not find remote items.
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