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[Learn more](https://www.t-mobile.com/business/solutions/iot) ![Group of individuals sit around two laptops](https://t-mobile.scene7.com/is/image/Tmusprod/TFB-NBIoTMapPage-article-4workerssmile-desktop:16x9?fmt=jpg&fmt=jpg&qlt=85%2C0&resMode=sharp2&op_usm=1.75%2C0.3%2C2%2C0) ## Helping developers of all sizes succeed through the capabilities of NB-IoT. ### Certify your IoT device today. Let us help find the right certified module, chipset, or device for your IoT needs. [Get certified](https://www.t-mobile.com/business/solutions/iot/device-certification) ![Cast iron wheel](https://t-mobile.scene7.com/is/image/Tmusprod/TFB-NBIoTMapPage-article-closeupbluemachine-desktop:16x9?fmt=jpg&fmt=jpg&qlt=85%2C0&resMode=sharp2&op_usm=1.75%2C0.3%2C2%2C0) ## Certify your IoT device today. ## Got questions? - ### What is Narrowband (NB) IoT? NB-IoT is basic, low-power, wide area (LPWA) technology focused on very small, infrequent data exchanges, has very long battery life and low cost. NB-IoT is ideal for fixed use cases like Smart Meters, Industrial Sensors, and Environmental sensors. - ### What is Cat-M / Cat-1? Cat-M / Cat-1, sometimes known as LTE-M (LTE for Machines) is enhanced low power, wide-area (LPWA) technology supporting higher bandwidth, devices in motion, over-the-air updates, and voice functionality. Cat-M/Cat-1/LTE-Mis ideal for uses cases like wearables, facilities & consumable monitoring, and fleet & asset tracking. - ### What factors affect coverage? Outside factors such as terrain, building structures, weather, and other conditions may interfere with actual service performance and availability. ## Let’s talk. 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