this post was submitted on 17 Feb 2026
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117
Passive RFIDs can now stream telemetry data from sensors (www.theregister.com)
submitted 2 days ago by supersquirrel@sopuli.xyz to c/technology@lemmy.world
10 comments fedilink hide all child comments
 

The new standard makes it possible to stream data from sensors married to passive tags, by allocating a frequency channel to each device. When radio waves reaches a tag, the device wakes up and broadcasts the basic info it contains and then negotiates a clear channel on which to stream data.

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[–] thehatfox@lemmy.world 7 points 1 day ago (1 children)

Having passive sensors for smart home use would save me lot of time and money changing batteries. Interesting to see where this goes.

[–] paf@jlai.lu 3 points 1 day ago (2 children)

What protocol do you use? Using ZigBee, my sensors (temp, leak, doors) last about 2 years

[–] thehatfox@lemmy.world 2 points 1 day ago

Mostly Zigbee. Depending on the sensor, location and activity I'm getting between 6-18 months per battery, but I do have a lot of sensor, so there's a regular churn of batteries.

[–] ExcessShiv@lemmy.dbzer0.com 0 points 1 day ago

I've had ZigBee door/window sensors last as little as a few weeks on a AAA battery, making them practically unusable.