Unpowered Asset Gateways, such as the AG45, AG46, and AG51, use GPS to record and report the device location during check-in. When the AG is unable to obtain a GPS signal, it uses an approximate location using the nearest cell tower to connect for check-in.
The error range for the cell-based location can vary from a 0.1-1.5 mile radius. Location accuracy can diminish in any of following circumstances:
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Satellite signal is blocked, such as due to obstructions from buildings, bridges, or trees or the AG is indoor or underground.
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Signal is reflecting on a nearby building or wall.
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Interference in signal due to radio interference or jamming.
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Interference from major solar storms.
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Satellite maintenance or maneuvers causing temporary gaps in coverage.
To view the unpowered AG check-in times and locations, select the AG from the asset list (Overview ( 
) > Assets > Unpowered) and locate the Check-in History.
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The check-in history annotates approximate locations ( 
) and the location marker on the map indicates Approximate location due to weak GPS signal. Hover over the location marker on the map to view the accuracy of the location.
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