According to a media report, the Japanese mobile communications provider Softbank is investing in a technology with which wearable devices such as headphones and smartwatches can be charged via a 5G antenna.
The technology, which Softbank is developing together with the University of Kyoto, the Kanazawa Institute of Technology and the National Institute of Information and Communications Technology, should be able to send an electrical charge in the 28 gigahertz band to the devices to be charged, in other words, at a frequency that also uses 5G. However, the power is limited to one milliwatt and the range is initially 10 meters. The latter can be increased to 100 meters in the future, it is said
However, current bans by the authorities stand in the way of a rapid introduction of the technology. Because of the interference potential of the communication signals, such wireless charging processes are severely restricted, the article says. That is why the technology is only allowed indoors. For outdoors, a permit could be available until 2024. Therefore, Softbank expects that wireless charging will not be able to be used until 2025 at the earliest.
Source: com! professional by www.com-magazin.de.
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