A group of Chinese students has created DiveGuard, an affordable system designed for underwater communication. By utilizing acoustic signals, this innovative technology allows divers to send concise text messages, thereby enhancing safety and teamwork in aquatic environments. DiveGuard was recognized as a finalist in the prestigious 2026 Conrad Challenge and offers a reliable communication alternative where traditional networks are unavailable.
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Meet the students who built DiveGuard, a low-cost underwater messaging system
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