What is a communication travel card? Brief introduction of communication tourist card.

1, Communication Big Data Travel Card, which is a free inquiry service for1600 million mobile phone users nationwide, was obtained by China Xintong Institute, China Telecom, China Mobile and China Unicom by using the "signaling data" of mobile phones. Mobile phone users can query all the city information they have visited in the previous 14 days through this service.

2. The main function is to help you prove your itinerary conveniently, improve the itinerary inspection efficiency of enterprises, communities, transportation departments and other institutions, and speed up the process of returning to work and production.

3. "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.