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T-Mobile launches narrowband IoT network

T-Mobile has launched its narrowband Internet of Things (NB-IoT) network across the United States, with 5G SVP and IoT business chief Dave Mayo telling ZDNet that the network covers 2.1 million square miles and approximately 320 million people. Speaking with ZDNet, Mayo said the NB-IoT network deployment was "pretty straightforward", involving hardware upgrades in older basebands and new radio software. T-Mobile's primary vendors were Ericsson and Nokia, though the carrier also worked with Qualcomm on the narrowband chipsets. It had initially trialled NB-IoT a year ago in partnership with the City of Las Vegas, Ericsson, and Qualcomm.

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