RegularJoe@lemmy.world to Technology@lemmy.worldEnglish · 1 year agoWiFi signals can measure heart rate—no wearables needednews.ucsc.eduexternal-linkmessage-square106fedilinkarrow-up1534arrow-down14
arrow-up1530arrow-down1external-linkWiFi signals can measure heart rate—no wearables needednews.ucsc.eduRegularJoe@lemmy.world to Technology@lemmy.worldEnglish · 1 year agomessage-square106fedilink
minus-squaretheunknownmuncher@lemmy.worldlinkfedilinkEnglisharrow-up6·1 year agoWiFi can also do pretty precise location. Bluetooth/BLE even more precise (inches or less)
minus-squareyucandu@lemmy.worldlinkfedilinkEnglisharrow-up3·1 year agoI think they mean without a phone. A 2.4ghz radio can be used as a presence detection radar.
minus-squaretheunknownmuncher@lemmy.worldlinkfedilinkEnglisharrow-up1·1 year 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.