What is that in the lower left corner of communication travel card big data?

The one in the lower left corner is used to get location information. Communication Travel Card, also called Communication Big Data Travel Card, is a travel inquiry service jointly launched by China Information and Communication Research Institute, Ministry of Industry and Information Technology, China Telecom, China Mobile and China Unicom.

How to get the trip verification for entering and returning to Beijing? With detailed steps

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The high shadow of big data debt does not affect the bidding.