One obvious area of confusion about 5G is that multiple “next generation” networks are coming to
Market, and 5G is but one of those networks. Consider Verizon’s 2017 launch of LTE-M1 to support many internet of things apps.
But Verizon also is launching an NB-IoT (narrowband internet of things) network to support low-bandwidth apps that also do not require voice support.
The version Verizon is launching uses LTE guard band spectrum (in the past used to provide separation and interference protection from neighboring channels).
NB-IoT Guard band focuses on applications needing data rates below 100 kbps.
NB-IoT Guard band technology occupies a dedicated frequency of 180 kHz bandwidth designated for IoT applications which does not share spectrum resources with commercial smartphone traffic.
The advantage of using LTE guard bands is that no new spectrum is required.
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