The asterisk on the back of the Travel Card indicates that the city you are traveling through or visiting has medium- or high-risk areas, and does not indicate that you have actually visited these medium- or high-risk areas.

2. What is the definition of "via" on the itinerary card?

The meaning of "via" is that if you stay in a certain place for more than 4 hours and open the itinerary code on your cell phone, the system will automatically record it as a via or a visit.

3. How long does it take for the asterisk to disappear?

There are two ways for the asterisk to disappear.

It disappears after 14 days. This timeframe is measured in the user's own time and is not related to the risk area. If the trip card asterisk still exists after 14 days, you can call the communication trip card related communication service provider to adjust oh.

The asterisk will disappear after the risk level of the risk area is adjusted to low risk.

4. Is the card updated every day?

Yes. "The service is jointly launched by the China Academy of Information and Communications Technology (CAICT) of the Ministry of Industry and Information Technology (MIIT) and the three major telecom operators. It utilizes the communication big data of China Telecom, China Mobile and China Unicom to provide travel query services for China's 1.6 billion cell phone users.

5. If I stay in a medium- to high-risk area, when will the asterisk on my trip card disappear?

According to official adjustments, if the official risk level is adjusted to low risk, then your trip card asterisk will also disappear automatically. If it still exists, you can call the communication service provider related to the communication trip card to make the adjustment. If the current risk level is medium-high risk, then your trip card will also be marked with an asterisk.

6. Will I be recorded as traveling through a medium-high risk area on the train?

No, you will not. A train ride through a city usually takes less than four hours and is not considered a stopover, and an airplane ride over a medium to high risk area is even less likely to be recorded.

7. Why does the trip card accurately prove my location?

The "communication big data itinerary card" analyzes cell phone signaling data, obtained through the user's cell phone is located in the base station location, signaling data collection, transmission and processing process is highly automated, and there is a very strict security and privacy protection mechanism, with a high degree of authenticity and accuracy.

8. The query result is biased! I have not been to city A / I have been to city B but did not check it?

The "Big Data Travel Card" service uses base station data, and in order to ensure that communications are continuous and coverage is free of blind spots, the signals from the two base stations at the junction of the administrative divisions may cross-coverage, resulting in deviations in the results. In addition, if you stay in a city for less than 4 hours, it will not be recorded. Overseas travel records require you to use international roaming service during your trip. Please contact customer service if there is any serious deviation in the results.

Recorded overseas trips require that you use international roaming services during your trip. If the result has serious deviation, please contact customer service in time.