As a popular technology, WiFi has become common in consumer electronics such as mobile phones and tablets, but why is it being ruthlessly abandoned by mainstream smart home companies? In the final analysis, there are two basic reasons: 1. Threat health and safety. 2. Threat information security.
The first is health and safety. As we all know, the number of devices that need to be connected in the home is huge. There are dozens of existing home appliances, small household appliances, electric lights and switches in the home. If these dozens of devices emit WiFi signals, they will constitute a family health. Deadly challenge. At present, many people sleep to turn off their mobile phones or put them far away from the bed to prevent WiFi electromagnetic radiation. However, if the switch, electrical appliances and other equipment in the home have the WiFi function, the whole family is covered by dozens of times or even hundreds of times of mobile phone WiFi signals (the electromagnetic radiation of the electrical appliances and switches WiFi is much larger than the portable devices such as mobile phones and tablets). You will have nowhere to escape, you will be surrounded by powerful electromagnetic radiation for many years, and the health effects are especially fatal for people with weak constitutions such as pregnant women. What is even more frightening is that if this technology is widely promoted, then the WiFi electromagnetic radiation of your neighbors will be superimposed on your home. In crowded residential buildings, the radiation will be magnified geometrically, the entire building. The health of residents is simply not guaranteed. As Bill Gates, the former president of Microsoft who cares about human health, said: "The emergence of a large number of WiFi devices in the home will be a disaster." From the current situation, the global mainstream manufacturers involved in smart homes are far from WiFi technology without exception. Although the WiFi Alliance has done a lot of work in the huge smart home market , WiFi has basically stopped experimenting. Of course, at the current stage, some domestic start-ups are less difficult to develop with the help of WiFi technology. They use the low judgment of Chinese consumers on technology, and launch public opinion tools to continuously enlarge the advantages of WiFi, and cover up the damage caused by large-scale WiFi applications.
Secondly, for the information security of WiFi, people who know almost a little technology have encountered the security problem of WiFi. Among all wireless technologies, WiFi can be said to be the most insecure technology in the world. A simple network card can be easily cracked. The "Snoopy" RC plane flies overhead. As long as your device has WiFi enabled, all information in your phone or tablet or so-called smart router will be exposed. Wi-Fi has no security. It has become known worldwide. The smart home industry is another industry that pays special attention to security. It can be said that there is no smart home without security. Once the home equipment is connected via WiFi, it will bring catastrophic security risks. Recently, the smart routers produced by a famous mobile phone manufacturer in China have been When people break through, a large number of personal privacy pictures and videos in the built-in hard disk of the router are exposed to the name of the network. Although manufacturers have stepped up their media public relations and tried to draw public attention from other aspects, technology enthusiasts know that the fundamental problem is that WiFi technology is not safe. Another influential security incident is that the WiFi home smart socket produced by Belkin in the United States was attacked by hackers, causing the electrical appliances in the home to be maliciously manipulated and causing casualties. Therefore, it is not surprising that WiFi is left out by mainstream smart home manufacturers.
Although many manufacturers have made a lot of efforts, the security of WiFi has not been improved. According to industry insiders, from the current situation, it is difficult to improve the security of WiFi technology in the future. If the technology is applied Be very careful in areas where security is a high priority.
Of course, in addition to the two important weaknesses of WiFi, wireless technology such as wifi has a series of difficulties to overcome in the smart home industry . Such as network size, self-healing capabilities and so on.
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