When the diffuse reflected light makes the whole room bright, the network signal will also fill the whole room. What\'s more amazing is that the light reflected by the mirror also has a signal! The coverage area of traditional wireless networks depends largely on the capabilities of wireless routers. When wireless routers are in use, they will emit a radio frequency signal, that is, radio waves with a certain transmission frequency. Although this radio wave has not been proven to be harmful to the human body, it is not green and environmentally friendly after all. In contrast, the biggest advantage of optical transmission signals is that there are no electromagnetic waves. The signal strength of optical wireless networks depends on the light intensity on the one hand and the sensitivity of the receiving detector on the other. According to the current research level in my country, diffuse reflection reception can be achieved - when the diffuse reflected light makes the whole room bright, the network signal will also fill the whole room. What\'s more amazing is that the light reflected by the mirror also has a signal! LED optical wireless networks have no requirements for network operators and computer equipment. As long as it is an ordinary external network, it can be connected. The LED lights sold on the market now only have lighting functions. If they are used for communication, a small \"instrument\" must be installed on the LED to make it flash at a high frequency. In the past, if an area wanted to achieve full coverage of wireless signals, it could only be placed on many wireless routers. Now, scientists can directly carry communication signals at the point where the community\'s power lines are connected. At that time, whether it is the street lights in the community or the lights in each household, they can send Internet signals.
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