Nobody knows which platforms ultimately will emerge as dominant for Internet of Things connectivity. Near term, some would bet on 2G.
Others would bet on Long Term Evolution or 5G or a specialized narrowband protocol in the medium term.
Berg Insight predicts that LTE will become the leading technology for cellular IoT devices in 2019.
Global shipments of mobile IoT devices will grow at a compound annual growth rate of 20.1 percent to reach 239.7 million units in 2020.
But 2G is likely to have the volume for some time.
Tobias Ryberg, Berg Insight senior analyst, believes that 3G will only serve as an interim technology in cellular IoT.
Annual shipments of 3G cellular IoT devices are predicted to peak in 2018.
Instead the main alternative to 4G cellular technologies will be Low Power Wide Area (LPWA) networking technologies.
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