T-Mobile USA, has announced that, as of July 19, 2018, its Narrowband Internet of Things (NB-IoT) rollout in the United States has complete population coverage. T-Mobile claims the network covers 2.1 million square miles and almost 320 million people through a combination of new hardware to older basebands and software upgrades to new basestations. T-Mobile has certified modules from u-blox and Quectel Wireless Solutions that are based on chipsets from Qualcomm.
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