Comment on WiFi signals can measure heart rate—no wearables needed

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GamingChairModel@lemmy.world ⁨1⁩ ⁨day⁩ ago

Article is paywalled for me.

Does it describe the methodology of how they use the transmitter and receiver?

What specifically are they transmitting? Is it actually wifi signals within the 802.11 protocols, or is “wifi” just shorthand for emitting radio waves in the same spectrum bands as wifi?

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