Definitely not usable, no real-time map updates.

　　When there is a traffic card, even if there is no GPS signal, the positioning error is 5 kilometers per hour.

　　Current GPS trackers and locators are mature technologies.

　　The locator must have a satellite signal receiver (that is, a GPS module) + a communication module + a software client (or the website of the gps manufacturer's company).

　　Don't trust online scammers easily.

　　First: Now there are two types of mobile phone positioning.

　　Mobile phone number positioning (also called base station positioning), China Mobile, China Telecom, and China Unicom are the three major operators. It is necessary to obtain the authorization of the other party directly with the mobile phone and ID card of the person to be located, and the authorization and consent of the other party are required for each positioning. non-licensed

　　At present, only the national security and public security departments can use it legally, and there are strict approval procedures, and the general public cannot use it at all.

　　Second: it is a gps tracker, this is more complicated, let me tell you simply, now the mobile phone gps tracker only supports personal use with the software, and will not actively send location information, others do not have consent or permission to obtain your location information .

　　Now the web version of iCloud launched by Apple's official website has the function of locating and finding mobile phones because iCloud has opened the communication protocol of Apple's mobile phones, and Samsung and Xiaomi also have cloud positioning services.

　　Ordinary smart phones can only be installed in the machine by installing software, and then turn on the GPS tracker for anti-theft tracking, such as the anti-theft software in the mobile phone assistant. If the other party's mobile phone does not have this software, it cannot be done, because the mobile phone will not actively send location information.

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