Over 100 Mobile Operators Deploy Either NB-IoT or LTE-M Networks
The Global Mobile Suppliers Association (GSA) has released an update on the number of operators and countries supporting either or both Narrow Band IoT (NB-IoT) and LTE-M networks.
According to GSA, as of March 2019, 149 operators in 69 countries have invested in one or both of the NB-IoT and LTE-M network technologies.
About 102 operators in 52 countries have deployed/launched at least one of the NB-IoT or LTE-M technologies. Out of these, 20 operators in 19 countries have deployed/launched both NB-IoT and LTE-M networks.
Narrowband IoT (NB-IoT) is a Low Power Wide Area Network (LPWAN) radio technology standard developed by 3GPP to enable a wide range of cellular devices and services.
NB-IoT focuses specifically on indoor coverage, low cost, long battery life and high connection density. NB-IoT uses a subset of the LTE standard but limits the bandwidth to a single narrow-band of 200kHz.1
LTE-M (LTE-MTC [Machine Type Communication]), which includes eMTC (enhanced Machine Type Communication), is a type of low power wide area network (LPWAN) radio technology standard developed by 3GPP to enable a wide range of cellular devices and services (specifically, for machine-to-machine and Internet of Things applications).
LTE-M is comparatively better than NB-IoT in terms of higher data rate, mobility and voice over the network. However, LTE-M requires more bandwidth, is costlier and cannot be put into guard band frequency band for now.
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