Calling diver dan. (Prototype).(mobile communication underwater)(Brief Article)

France Telecom R&D and French communications company Amphicom have invented the first system to allow telephone communications with divers working underwater. The easy-to-use system ensures a clear connection from a fixed or wireless phone to a person underwater at any depth. Consisting of a buoy fitted with a GSM phone relay that handles two-way communications with an underwater terminal, it resembles a personal underwater phone booth.

The terminal is wired to the buoy and is equipped with a phone-like dial pad, a special mouthpiece, and a light and a buzzer to alert divers to ...

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