Gps Locator Device
Is there a device that would allow me to find another device that is transmitting GPS signals?
Let’s say, for example, someone ships a package containing a GPS-enabled cell phone or a GPS tracker in order to be able to track the location of the package at all times. Is there a device like a “tracker locator” that would allow me to find the tracker or phone by its transmissions? I’m in a warehouse with the package and my locator, and I follow the beeps to the package? Does a tracker only transmit when you call its phone number (the type that use a SIM card)?
I like what you’re saying, A, but HOW do I look for the signal?
Contrary to what others have said GPS trackers can work inside containers and packages. The accuracy sucks but normally when tracking a shipment like that an error of up to a mile isn’t much of an issue, you want to know which side of the country it’s on not which side of the room.
GPS systems don’t transmit anything so you’re not going to pick up any GPS transmissions from the tracker.
Most trackers use cell phones for the data link but since they have to run off a battery that will be switched off most of the time. They generally have a simple motion sensor so that the GPS and cell phone are both turned off when sitting still. When in motion they will typically transmit data every hour or so, when stationary it’s more like every day.
So if the package is in a warehouse you need to look for a cell phone signal that is on for about 30 seconds once a day and then distinguish that from the cell phone in someones pocket.
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