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Automated Pool System Saves Swimmer

ucdoughboy Re:What about when the patient is not home (426 comments)

Wireless devices espically ones that operate in 2.4ghz range do not work underwater. So if you drown and sink to the bottom of the pool no signal will get out. Thats why all underwater communication is either extremely low freq, tethered, or accoustic.

more than 9 years ago

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