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Millions of smart meters will fail when 2G and 3G turns off
(www.theregister.com)
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this post was submitted on 24 Oct 2023
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I've done this as a project to go from 3G to LTE for a network of a few hundred devices.
3G and LTE (4G) used almost identical AT commands. The motherboards were build so the modems were swappable. It wasn't too bad. I'm told the field techs had to drive 5 hours across the Australian outback to access some of them.
After rolling out 3g router fail over for pokies, lotto, wagering in Oz I'm sure the money they saved from no longer having any downtime can pay for 4G, 5g, and starlink redundancy.
5 hours of driving across Oz? Wouldn't even make Carnarvon Gorge much less Mount Isa.
Beautiful country to drive across tho.
One of those places was Mt. Isa. It was equipment for mining.