T-Mobile completes first Narrowband IoT test in guard bands


One month after launching its first Narrowband Internet of Things (NB-IoT) plan, T-Mobile has reached two more NB-IoT milestones.

First, T-Mobile CTO Neville Ray has confirmed that T-Mo was first to test Narrowband Internet of Things in guard bands. The reason that you’d want to use NB-IoT in guard bands is so that the traffic doesn’t compete with customers’ data on the network, keeping speeds for users as fast as they can be.


Ray also reaffirmed that T-Mobile NB-IoT is already live in Las Vegas and the service will be activated nationwide by mid-2018.

One day after performing the first test in Narrowband IoT, Ray announced that T-Mobile completed the first data message using the NB-IoT guard band, too.


These efforts are part of T-Mobile’s recent focus on the Internet of Things. T-Mo can use its NB-IoT coverage to continue to add customers and grow. T-Mobile has shown that it plans to continue placing a major focus on NB-IoT, so expect more announcements like these in the future.

Source: @NevilleRay

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  • Nobody Special

    ???? What does this mean for T-Mobile customers???

    • Trevnerdio

      It explains in the article haha IoT devices won’t be using the same bands as mobile users, so it’ll keep speeds as quick as possible for both parties.

  • Sharti24

    Really wish they’d axe 3G hspa soon and use that spectrum for LTE. 2G edge can be your “fallback” option if LTE ever went down. Since the edge network operates in the guard bands of LTE it doesnt even use much spectrum