German researchers have created a new record for 500 megapixels of visible light communication per second.
Siemens AG, Germany on the 15th issued a statement that the company and Heinrich? Hertz's scientists special way by the light emitting diode (LED) flashing frequency, close to the photodetector will receive this optical signal into an The electric pulse has an information transmission speed of 500 megabits per second.
Prior to visible light communication maximum transmission speed of 200 megabits per second, also by Siemens and Heinrich? Hertz Institute jointly created.
Compared with wireless local area networks, visible light communication technology can transmit signals using indoor lighting devices such as fluorescent lamps or light-emitting diodes. With a computer with receiving and sending information and a mobile information terminal, users can download and upload data in the place where indoor lighting is illuminated. This technology is highly secure, as long as the curtains are used to cover the light, the information will not leak out to the outside, reducing the possibility of data theft.
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