/kloc-how can I open it without a proof of going out for 0/4 days?

14 days without proof of going out can be handled through the communication big data travel card service.

In order to help you prove your itinerary conveniently, improve the efficiency of itinerary inspection of enterprises, communities, transportation departments and other institutions, and speed up the process of returning to work and production, the the State Council client applet was launched on the big data itinerary card for epidemic prevention and control communication launched by the Information and Communication Administration of the Ministry of Industry and Information Technology.

Using the communication big data of China Telecom, China Unicom and China Mobile, it provides travel inquiry service for 654.38+600 million mobile phone users nationwide. Support one-click query 14 days (stay for more than 4 hours) to visit countries (regions) and domestic cities.

special technology

"Communication Big Data Travel Card" analyzes "mobile phone signaling data", which is obtained through the location of the base station where the user's mobile phone is located. The collection, transmission and processing of signaling data are automatic, with strict security and privacy protection mechanisms, and the query results are available in real time, which is convenient and fast.

The data of "Communication Big Data Travel Card" can be used nationwide to achieve full coverage of a national network, and you can also check the international travel of my domestic mobile phone number. On the premise of ensuring user information security, these will provide scientific and accurate technical support for epidemic prevention and control, resumption of work and production, road traffic, entry and exit, etc. ?

The data source of the location query service provided by the travel card is "mobile phone signaling data", which is obtained through the location of the base station where the user's mobile phone is located. In order to ensure communication continuity, realize coverage without blind areas and provide better communication service quality, the signals of base stations in the two places at the junction of administrative divisions may cross-cover, resulting in deviation of results.

This may happen if the user lives near the city boundary or travels long distances by car or train.

The above contents refer to:

Baidu Encyclopedia-Communication Big Data Travel Card

People's Network-How to check and prove my 14-day trip? The Ministry of Industry and Information Technology promotes online services.