Tencent trip card is, trip card is more widely used a valid credentials, it can show you 14 days to the place, whether you have been to high-risk areas, and better prevention and control of the epidemic.

The trip card pinpoints my location

The big data trip card analyzes cell phone signaling data, obtained through the base station location where the user's phone is located, and the signaling data collection, transmission, and processing processes are highly automated with extremely stringent security and privacy protection mechanisms, providing a high degree of authenticity and accuracy.