What is a Communication Big Data Travel Card?

Communication big data travel card, jointly created by China Xintongyuan, China Telecom, China Mobile and China Unicom, uses mobile phone "signaling data &; Rdquo provides free inquiry service for 654.38+06 billion mobile phone users nationwide through the location of the base station where the user's mobile phone is located. Through this service, mobile phone users can query all the city information they have visited in the previous 654.38+04 days. The main function is to help you prove your itinerary conveniently, improve the efficiency of itinerary inspection in enterprises, communities, transportation departments and other institutions, and speed up the process of returning to work and production.

"Communication Big Data Travel Card" is based on telecom big data, and the interface is provided by the three major operators. It only needs to fill in the mobile phone number and verification code and confirm my authorization. It doesn't need to fill in the ID number and home address, and it doesn't need to collect other personal information. The operation is simpler and safer, and the privacy of users is fully protected.