NEWS Center

Is the withdrawal of 2G/3G an inevitable choice for the upgrading of mobile communications?

Recently, China Telecom Yunnan Company issued an announcement saying: “The 3G-EVDO data service will be gradually closed starting from June 1.” As soon as the news came out, it immediately triggered a heated discussion in the circle. Why did the operators choose to implement 3G

The differences and connections between cellular networks and the Internet of Things

From an operator’s perspective, IoT can be divided into IoT in licensed spectrum (long range) and IoT in unlicensed spectrum (short range). The Internet of Things in unlicensed spectrum is very common, such as ETC, WIFI, Bluetooth, NFC, etc. Using unlicensed public frequency bands cannot
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