How to check the boarding code by SMS?

Enter the 4 digits after CXMYD# ID card in the SMS edit box, and click the Send button to view the travel code.

The query results show that the visited provinces and cities (domestic), countries and regions (international) and-* * * are divided into three cards: green, yellow and red, and the rules will be adjusted in real time according to the actual situation. Within the first 14 days of the user.

The trip calculation was completed in the background of the operator, and the result was delayed by one day. For example, the travel data calculated on March 5th is before March 4th 14 days (between February 20th and March 4th).

special technology

"Communication Big Data Travel Card" analyzes "mobile phone signaling data", which is obtained through the location of the base station where the user's mobile phone is located. The collection, transmission and processing of signaling data are automatic, with strict security and privacy protection mechanisms, and the query results are available in real time, which is convenient and fast.

The data of "Communication Big Data Travel Card" can be used nationwide to achieve full coverage of a national network, and you can also check the international travel of my domestic mobile phone number. On 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, entry and exit, etc.