Campus-specific traffic packet has a range, which is generally only applicable to campus, specifically based on the information classified by operators as belonging to campus base stations, and is suitable for covering campus base station cell signals.

Changchun, referred to as Changchun for short, was called Xi Du and Chachong in ancient times, also known as North Spring City. It is a prefecture-level city, provincial capital, sub-provincial city and the core city of Changchun urban agglomeration under the jurisdiction of Jilin Province. It is one of the central cities in Northeast China and an important industrial base approved by the State Council. By 2020, Changchun will have 7 districts, 1 county and 3 county-level cities, with a total area of 24,744 square kilometers. As of June 2020, 5438+065438+1October1According to the data of the seventh census, the permanent population of Changchun is 9066906.