Mobile phone companies deliver radio waves using satellites and cars equipped with antennas
地震で被害を受けた石川県では、今も携帯電話を利用できない所があります
In Ishikawa Prefecture, which was damaged by the earthquake, there are still some places where mobile phones are not available.
This is because the road is broken and it is difficult to go to fix antennas etc.
KDDI uses Starlink, which uses artificial satellites to deliver radio waves.9
The Starlink antenna is small and light, making it easy to transport.
You can use more than 120 mobile phones and computers with one antenna.
Since electricity has been cut off, we are also transporting equipment that generates electricity.
We also use ships with antennas and drones to transmit radio waves.
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