RegularJoe@lemmy.world to Technology@lemmy.worldEnglish · 5 days agoWiFi signals can measure heart rate—no wearables needednews.ucsc.eduexternal-linkmessage-square125fedilinkarrow-up1609arrow-down14cross-posted to: [email protected][email protected]
arrow-up1605arrow-down1external-linkWiFi signals can measure heart rate—no wearables needednews.ucsc.eduRegularJoe@lemmy.world to Technology@lemmy.worldEnglish · 5 days agomessage-square125fedilinkcross-posted to: [email protected][email protected]
minus-squaretheunknownmuncher@lemmy.worldlinkfedilinkEnglisharrow-up7·4 days agoWiFi can also do pretty precise location. Bluetooth/BLE even more precise (inches or less)
minus-squareyucandu@lemmy.worldlinkfedilinkEnglisharrow-up4·4 days agoI think they mean without a phone. A 2.4ghz radio can be used as a presence detection radar.
minus-squaretheunknownmuncher@lemmy.worldlinkfedilinkEnglisharrow-up1·4 days agoIt sounds like they’re specifically talking about a phone, making reference to app permissions and TikTok.
WiFi can also do pretty precise location. Bluetooth/BLE even more precise (inches or less)
I think they mean without a phone. A 2.4ghz radio can be used as a presence detection radar.
It sounds like they’re specifically talking about a phone, making reference to app permissions and TikTok.