How long does it take to get out of town?

Mobile phone positioning is to locate the mobile phone card, not the mobile phone. As long as the located mobile phone number is turned on, no matter how to change any mobile phone, it can be located normally, but the serial number of the original mobile phone body cannot be located.

Location service is a value-added service that obtains the location information (latitude and longitude coordinates) of mobile terminal users through the networks of telecom mobile operators (such as GSM network and CDMA network) with the support of electronic map platform, and provides users with corresponding services.

The communication big data itinerary inquiry service was launched to the public on February 3, 2020, and users can inquire about the tourist sites within 14 days for free. The service has been widely used in many provinces and cities across the country, with more than 850 million queries.

Travel card APP has been registered in major app stores. In Apple App Store, Huawei App Store, OPPO App Store, Xiaomi App Store, Mobile Assistant, Samsung App Store, Meizu App Store, ZTE App Store, Tencent App Store, pea pods App Store, Wide App Store, etc. , search for "communication travel card" to download and use, and more functions are still under development.

As long as you open the location, you can find it. You can also use your mobile phone card to surf the Internet or call the base station to locate your personal trajectory. Anyway, as long as the card has a signal, you can find the trajectory. This year's epidemic big data is quite accurate. The following is a detailed inquiry process (for reference):

1, China Mobile: The mobile phone sends "CXMYD" to 10086, and then the last four digits of the ID card are entered according to the reply message, so that the provinces and cities (no cities) visited in the past month can be inquired. Each person can check 10 times a day for free.

2. China Telecom: Telecom users can edit the short message "the last four digits of CXMYD# ID number" and send it to 1000 1. After the authorization replies to Y, they can realize "roaming query" and can query the information of the mobile phone number in the past 15 days.

3. China Unicom: The mobile phone can edit the short message "the last four digits of CXMYD# ID number" to 100 10, and can query the roaming information of the whole country in recent 30 days.

Communication Big Data Travel Card is the "signaling data" of mobile phones used by China Xintong Institute, China Telecom, China Mobile and China Unicom.

Through the location of the base station where the user's mobile phone is located, it provides free inquiry service for 654.38+06 billion mobile phone users nationwide. Through this service, mobile phone users can query all the city information they have visited in the previous 654.38+04 days.

As of March 25, 2020, the cumulative number of inquiries has exceeded 450 million.

From 20: 30 on 202118, the city name of the medium-high risk area is no longer marked in red on the travel card, but is marked in brackets after the city name. Precautions are only used as travel tips and have nothing to do with health status.

On March 30th, 20021year, the national government service platform "Epidemic Prevention Health Code" has integrated the relevant information of "Traffic Big Data Travel Card", which can show whether the user has been to medium and high-risk areas and other travel information in the health code, and help the health code "one code pass".