Free query service for the country's 1.6 billion cell phone users, cell phone users can use the service, query my first 14 days to all the cities and cities 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 safeguard mechanisms, query results are available in real time, convenient and fast.
The data on the "Communications Big Data Trip Card" can be used across the country, providing comprehensive coverage of the country's one network, as well as access to the international trips of my domestic cell phone number.
These will provide scientific and accurate technical support for epidemic prevention and control, resumption of work and production, road access, and entry and exit under the premise of ensuring user information security. The data source of the location query service provided by TripCard is "cell phone signaling data", which is obtained through the location of the base station where the user's cell phone is located.