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In the 5G era, where will 2G-based temperature and humidity sensors go?
As the construction of 5G network base stations is in full swing, rumors about 2G withdrawal from the network are also 'flooding'. Many environmental monitoring users cannot help but worry about the future of temperature and humidity sensors based on 2G signals and other newly purchased IoT devices. Where will it go? The 2G network signals of China Unicom and China Telecom have already started the withdrawal process before 2018. Only China Mobile's withdrawal has been concentrated on 3G withdrawal, and there has been no movement in the 2G network. Then why are there rumors that mobile 2G is out of the network suddenly on the Internet? Actually, this is related to a document circulating on the Internet recently; this is called 'China Mobile Communications Group Co., Ltd. Planning and Construction Department' (notice), it is clearly stated that China Mobile will stop adding new products before the end of 2020. 2G Internet of Things users, and 2G Internet of Things users will be undertaken by NB-IoT and 4G Cat1/1bis technology. Because of the circulating notice, it is clearly pointed out that China Mobile will stop adding 2G Internet of Things users before the end of 2020. Therefore, many people mistakenly think that China Mobile will soon stop the maintenance and operation of the 2G network. In fact, this is a misunderstanding of the document. In this document, the main content of the notice is: It is decided to stop adding 2G Internet of Things users before the end of 2020, instead of directly stopping the operation and maintenance of 2G network base stations. Newcomers who are not in the Internet of Things industry or are just entering the industry may not have much idea about the coverage area of u200bu200b2G Internet of Things. In fact, products based on 2G Internet of Things now have a huge market, such as many in the country. Users in remote areas or elderly people who do not need smart phones; major shopping malls, restaurants and other retail industries monitor IC card POS machines; our daily payment of electricity bills and other equipment are based on 2G networks, all of them are 2G networks Audience group. Therefore, leaving the 2G network will not be accomplished overnight. Having said that, since China Mobile has begun to consider 2G withdrawal, then we must maintain a 'retreat'. The current better alternative is the NB-loT narrowband Internet of Things. Advantages of NB-loT Narrowband Internet of Things Made in China 2025, industrial intelligence, etc., the country’s use of informatization to promote industrialization focuses on three aspects: First, it focuses on the application of electronic information technology and improves the traditional The level of industrial production process automation, control intelligence, and management informationization. The second is to focus on the application of advanced manufacturing technology, to promote high-quality and efficient production in the manufacturing sector, and to revitalize the equipment manufacturing industry. The third is to transform and upgrade key technologies, common technologies, and Relevant supporting technical level, craftsmanship and equipment level. Narrowband Internet of Things is an application of industrial intelligence. The cellular-based Narrow Band Internet of Things (NB-IoT) has become an important branch of the Internet of Everything. NB-IoT is built on a cellular network and only consumes about 180KHz of bandwidth. It can be directly deployed on a GSM network, UMTS network or LTE network to reduce deployment costs and achieve smooth upgrades. Finally, regarding the future of 2G, China Mobile has just issued a notice, and the specific implementation depends on subsequent operations. However, the editor on quitting the network still supports the statement on the network: the first stage is not to add new equipment, and the second stage is to migrate users on the existing network. For example, the operator sends messages to 2G users. It is recommended Upgrade to 4G, and then there will be a series of preferential packages, so there is still a lead time of six months or one year at this time. In the third stage, when users are required to go, there is still a half-year postponement. Therefore, this is a continuous process, and the 2G network can be completely shut down after all of them are completed.
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