Traditional Culture Encyclopedia - Traditional festivals - Unicom. Telecom. What is the difference between mobile SIM cards?
Unicom. Telecom. What is the difference between mobile SIM cards?
Mobile, Unicom and Telecom are the three major cell phone communication carriers, all of which provide services related to cell phone communication. The difference is in the network technology used by each of them, the package tariffs and network coverage are also different. 1. mobile network used by: 4g: TDD-LTE; 3g: TD-SCDMA; 2g: GSM. 2. telecom network used by: 4g: FDD-LTE/TDD-LTE; 3g: CDMA2000; 2g: CDMA. 3. Unicom's network The mode is: 4G: FDD-LTE, TD-LTE; 3G: WCDMA; 2G: GSM. 4. The different networks used lead to different cell phones needed for the cell phone card of that carrier. Network coverage, specifically according to the use of the location of the situation to judge, as for the tariff package, each has its own characteristics search.
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