Sony built an IoT chip with a 60 mile range
engadget.comUblock blocks this link because it forwards you through an advertising.com link
Same... not interested because of that.
I wonder why they went with their own proprietary network as opposed to lorawan. Would be good to know what they found lacking. Probably the range due to 915 mhz fcc power limits. 60 miles is very impressive. Also couldn't figure out the data rate.
This will be useful for smaller mines which don't have the funds to install expensive 2.4 ghz mesh nodes to track and route their trucks.
My internal cynic would say that "Not Invented Here" syndrome is still alive at Sony.
We should kill FM Radio stations already and use the frequency for these kind of things. The range and data-rates are excellent and the power consumption is low. If you want to listen to music or the news while in your car, LTE is cheaper than ever.
In your country maybe but in others not so much and conflicting with the FM radio will kill this application there.
AM radio isn't dead either despite being barely used. Good luck though.
(By my own experience, the power consumption isn't that great for FM modulation, you want the frequency range, not the modulation)
>FM modulation
Why so wordy? You can abbreviate this to FMM :p
FMM modulation?
Taggle.com.au did this years ago, with similar range. They now use the technology to drive remote water meter reading in Australia. The hard bit is the receivers, plucking very low signals out of a lot of noise.
As an aside, the "Oath family" is not in my opinion GDPR compliant. Burying opt-out at least 4 pages down (I don't know, I never found the actual opt-out page) in obscurantist language is a dark pattern.