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The technology of Narrowband Internet of Things (NB-IoT) has been introduced to Vietnam, yet unable to attract much interest from related businesses. The turning point came when Viettel announced its successful implementation of the technology in the recent Mobile World Congress 2019 (MWC 2019), themed ‘Intelligent Connectivity’ and held in Spain. Now many practical applications of NB-IoT are more sought-after.
Among various researches and developments in the field of mobile information industry for IoT, NB-IoT focuses specially on indoor coverage, low cost, longer battery life, and availability of more connectivity.