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From: Jan Panteltje <alien@comet.invalid>
Newsgroups: sci.electronics.design
Subject: Re: Lowest power, short (10s of meters) range, low data rate, wireless
 technology
Date: Fri, 14 Jun 2024 07:48:56 GMT
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On a sunny day (Thu, 13 Jun 2024 19:06:36 -0700) it happened Don Y
<blockedofcourse@foo.invalid> wrote in <v4g8ks$2ileg$1@dont-email.me>:

>I'm looking for the lowest power (think: fewest battery changes)
>wireless comms available:
>- short range (ten-tens of meters)
>- low data rate (KB/s) but the potential for CONTINUOUS data transfer
>   (perhaps layering a protocol to ensure *reliable* transmission)
>- need not be "standards" compliant (but must be licensed bands)
>- tolerant of other "talkers" in their space
>
>Ignore the costs of network establishment/configuration as "one time"
>events.
>
>On paper, it appears that BLE would outperform ZigBee and ANT+
>but the devil is in the details.
>
>Anyone using any of these in a *battery* powered application
>to comment on their actual obsebrvations?

I have some bluetooth audio link modules
can be used for data too, tx and rx both battery based, very small.
Runs about a up to few hours on a battery charge
ebay