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NB-IoT is also known as Low Power Wide Area Network (LPWA). NB-IoT supports efficient connection of devices with long standby time and high network connection requirements. The battery life of NB-IoT devices can be improved by at least 10 years. It can also provide very comprehensive indoor cellular data connection coverage. It has excellent performance in the Internet of Things, such as: wide coverage, and 100 times more coverage than existing related networks. , Can easily cover the underground garage, elevators and other indoor scenes; multiple connections, with 50-100 times the number of access users, to meet the needs of a large number of smart home networking devices; low power consumption, module costs are low.
Under the support and guidance of China Telecom Corporation and Jiangsu Corporation, the Wuxi branch launched the 800M-based NB-IoT network construction in July 2016. At the same time, the local Xinwu District is planning the planning of the IoT town. China Telecom Corporation responded positively to the government’s call and actively took the initiative to announce that it will build the nation’s first NB-IoT network in Hongshan and list Wuxi as the nation’s first batch of NB-IoT pilot cities. The NB-IoT network will play a greater role in various areas such as smart meter reading, smart parking, smart tracking, smart home, and smart city in Wuxi City and Country.
It is reported that China Telecom’s first nationwide NB-IoT commercial network, which began operation in Hongshan Town, has adopted the industry’s most advanced network communication equipment and architecture. The construction lasted for 40 days and the investment exceeded RMB 35 million. A total of 75 communication base stations and pipelines were built. 25 kilometers, 90 kilometers of optical fiber cable, covering 58 square kilometers of the whole town of Hongshan, fully meet the needs of enterprises, individuals, and families in the local township.
(Original title: Wuxi launched China's first NB-IoT narrow-band Internet of Things commercial network)
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Work wear parts can be used under a high load (20Mpa or less) and high sliding speeds.
Corrosion resistance,Has good lubricating properties and wear resistance and corrosion resistance, suitable for use as a bimetal casting material.
High surface pressure, but also side pressure bearing, impact resistant negative Heda 50Mpa parts.
[New concept of instrument network in China] The NB-IoT technology based on cellular narrow-band IoT is a worldwide emerging technology and is mainly used to support low-power devices in the cellular data connection of the wide area network. Recently, China Telecom Jiangsu Wuxi Branch officially launched the nation’s first NB-IoT narrow-band Internet of Things commercial network with the support of the municipal government. This will create a new road for the domestic demonstration of Internet of Things.
October 24, 2021