What is a communication itinerary card?

Communication travel card refers to communication big data travel card.

Communication Big Data Travel Card is a free inquiry service provided by China Xintong Institute, China Telecom, China Mobile and China Unicom for 65.438+06 billion mobile phone users nationwide through the location of their mobile phones. Through this service, mobile phone users can query all the city information they have been to in the previous 654.38+04 days.

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.

Extended data:

The inquiry service of communication itinerary card is mainly for domestic mobile phone users, and it can inquire personal itinerary within the first 14 days at home and abroad, with accuracy to provinces and cities in China (staying for more than 4 hours) and accuracy to countries abroad. . The travel card version 2.0 adds the Bluetooth intimate contact reminder function. If a stranger who has had close contact with him is diagnosed as a confirmed/suspected patient in COVID-19, the service used will remind you to pay attention to isolation observation in a more timely manner.

The query results show that the visiting provinces, cities (domestic), countries and regions (international) are divided into three cards: green, yellow and red, and the rules will be adjusted in real time according to the actual situation. The user's travel calculation for the first 14 days was completed in the background of the operator, and the result was delayed by one day. For example, the travel data of the first 14 days before March 4th (between February 20th and March 4th) is calculated on March 5th.

Baidu Encyclopedia-Communication Big Data Travel Card