Using base station positioning to impersonate GPS positioning.Gps speed limiter

　　The price of GPS locator on the market varies greatly, there are dozens of dollars and hundreds of pieces. Why such a big difference?

　　First of all, excluding quality, manufacturers, after-sales and other factors, it is likely that you are buying a fake GPS locator. Many unscrupulous businesses will be the base station positioning locator as a GPS locator to fool those small white.

　　Base station locator is also known as LBS positioning. The location of the base station is determined by the measured distance of the base station to the equipment. The positioning accuracy is also 50-2000 meters, depending on the coverage density of the base station near the location, if there are many base stations, the positioning is accurate, if there are few base stations in the mountainous area, the positioning is not so accurate.

　　GPS is the Global Positioning System (GPS), a satellite navigation and positioning system developed by the United States. The positioning accuracy can reach 5-15 meters.

　　The modules used for GPS positioning are much cheaper than those used for base station positioning. So there's a big price difference.

　　From the introduction of the above two, as long as the positioning error range is too large, it can be suspected that the base station positioning is used.

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