On 09/11/2019 09:39, Harry Bloomfield wrote:
Reentrant formulated the question :
Our water meter has a wireless module ("Everblu Cyble"). Their data
sheet says "battery - lithium, 15 years / 10 years in fixed network mode"

I have no idea how my water meter works at all, but they seem to be able
to interrogate it from the road, some way from the back of the house
where the meter is. The meter is a mechanical one in what looks like a
brass body.


Here's the brochure for the module on our meter: http://tiny.cc/9svzfz

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Reentrant