The trip code is located through the cell phone. Communication big data trip card analyzes the cell phone signaling data, obtained through the location of the base station where the user's cell phone is located, to accurately locate the track they have driven. Cell phone users can use the service to query information on all the cities and towns that I have visited in the previous 14 days.

"Communication big data trip card" based on telecommunications big data, by the three major carriers to provide a unified interface, only have to fill out the cell phone number, authentication code and confirm my authorization, do not have to fill out the ID card number, home address, do not collect other personal information, the operation of the simpler and safer, to fully protect the user's privacy. For the country's 1.6 billion cell phone users to provide free query service, cell phone users can use the service, query my first 14 days to all the cities and municipalities information.

"Communication big data trip 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 automation, with strict security and privacy protection mechanism, query results The query results are available in real time, convenient and fast. The data of "Communication Big Data Trip Card" can be used nationwide, truly achieving comprehensive coverage of the whole country with one network, and it can also query the international trips of one's domestic cell phone number. Under the premise of ensuring user information security, these will provide scientific and accurate technical support for epidemic prevention and control, resumption of work and production, road traffic, immigration and other aspects.