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by cosmie 1972 days ago
Carriers run IoT-specific networks[1], which are optimized for use cases such as telematics (low power consumption, low bandwidth usage, but high penetration and coverage). So it's entirely likely that your washing machine would be able to happily send along telematic data via the same carrier your cell phone can't even establish a connection to.

[1] https://www.business.att.com/products/lpwa.html