Amazing stuff! Who thought Bluetooth was a just a short range technology?
"... Apptricity ... has developed a Bluetooth beacon that can transmit signals over 32 kilometers (20 miles). The company believes its beacon is a cheaper, secure alternative to established asset and inventory tracking technologies. ..."
Apptricity Beams Bluetooth Signals Over 30 Kilometers - IEEE Spectrum The company is using precise beaming to develop a new asset tracking technique
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