No relationship, the trip code is to use from the mobile / Unicom base station side of the collection of tracking to the location of the information data, is based on your cell phone card where the phone's positioning is calculated, and the foreign login does not matter calculated.

The trip code is communication big data trip card a code is also equivalent to the health code, is by the China Academy of Information and Communication Technology, China Telecom, China Mobile, China Unicom three basic telecommunication enterprises to use the data received by the cell phone, through the user's cell phone is located in the location of the base station to obtain, for the country's 1.6 billion cell phone users free of charge to provide query services, cell phone users can be through the service, query the first 14 days of the person to have visited The service allows cell phone users to check the information of all the cities and towns they have visited in the previous 14 days.

One of the basic priorities of epidemic prevention and control is traceability, tracking, that is, traceability, and does not care about the quality of the user or the individual, because one of the premise is that what can come out and circulate must be good, otherwise the relevant organizations or individuals, need to be responsible for this.

When the trip code is obtained, the trip card will show the color according to your recent trip, a **** four kinds: green card, yellow card, orange card, red card.