How many hours will the trip code be displayed?

If the stay time exceeds 4 hours, the trip code will be displayed.

Communication big data travel card, commonly known as "travel code". Information China Information and Communication Research Institute, together with China Telecom, China Mobile and China Unicom, obtained the location information of the base station where the user's mobile phone is located by using the "signaling data" of the mobile phone, providing free inquiry service for the 65.438+0.6 billion mobile phone users nationwide. It was launched on March 6, 2020.

Brief introduction of travel rules

"Communication Big Data Travel Card" is the mobile phone "signaling data" of China Xintong Institute, China Telecom, China Mobile and China Unicom, and it is a service upgrade for 654.38+06 billion mobile phone users to obtain free inquiry service through the location of the base station where their mobile phones are located.

The "Communication Big Data Travel Card" is based on telecom big data and is provided by the three major operators. It only needs to fill in the mobile phone number, verification code and confirm my authorization, and does not need to fill in the ID number and home address, so the operation is simpler and safer.

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.