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Cellular IoT (LTE-M and NB-IoT)

Enabling a world of everything connected

Why cellular IoT

When evaluating the most suitable low-power wide-area network (LPWAN) technology for your Internet of Things (IoT) application, it's crucial to consider various factors beyond just technical specifications, which in itself can widely diverge from real-world performance. These are some of the key reasons why cellular IoT (comprising NB-IoT and LTE-M) can be a more suitable choice for your IoT project as opposed to LoRaWAN, Sigfox, Wi-SUN, or other LPWANs.

 baccarat tải vềLiên kết đăng nhập Licensed vs unlicensed frequency bands: Cellular IoT operates in licensed frequency bands that leverage existing global infrastructure. While they entail subscription fees, they guarantee wide coverage, scalability, built-in quality of service, reliability, and uncompromising security. This allows you to focus on your specific IoT product development without the need to deploy and maintain infrastructure associated with other LPWAN technologies operating in unlicensed frequency bands.
   
 baccarat tải vềLiên kết đăng nhập Data rate & robustness: As LPWAN technologies are typically used for devices that transmit/receive data infrequently, many are optimized for this use case. However, certain operations benefit from higher data rates, such as remote firmware updates. This is where cellular IoT stands-out as it can serve the infrequent data transmissions as well as the more intensive data bursts when they are needed.
   
 baccarat tải vềLiên kết đăng nhập Power consumption: NB-IoT and LTE-M technologies were developed to enable low power, massive machine type communication applications. While other LPWAN technologies may look better on paper, that can often change drastically based on the use case and many other factors, and it comes at the cost of limited data rates. With cellular IoT you don't need to compromise between power consumption and data rates, you get the best of both worlds.
   
 baccarat tải vềLiên kết đăng nhập Lifetime cost: While the up-front cost of some LPWAN technologies might look appealing, it's crucial to evaluate the full lifetime costs (deployment, data transmission, firmware updates, additional infrastructure setup and maintenance, etc), as that can greatly differ between technologies depending on the intended use case. Cellular IoT has a variety of connectivity models, from flat rates to pay-per-data, which brings predictable costs and removes concerns associated with own infrastructure maintenance.
   
baccarat tải vềLiên kết đăng nhập Future-proof: LTE-M and NB-IoT are expected to be supported for until 2040 and beyond, since devices utilizing these technologies have a typical 10+ years lifespan. Your carrier subscription also works as insurance for a stable and maintained network during the full lifetime of your device. Infrastructure for other LPWAN technologies can suddenly be removed or shutdown, rendering your devices inoperative and putting your business at risk.

Complete cellular IoT solution

Enhance your product with low power cellular connectivity: we have everything you need!

Cellular loT design has typically been a fragmented experience, with multiple components coming from different vendors such as host MCU, RF front end, cellular module, GNSS module, secure element, MIC and other elements. This fragmented solution ownership brings various challenges and risks to product developers, often leading to a sub-optimal implementation that requires many tradeoffs around cost, performance and power consumption.

At Nordic our goal is to streamline cellular product development and support the entire product lifecycle. This is why we have integrated all the different parts of our cellular offering into a complete solution – a fully Nordic-owned and controlled offering that includes hardware, software, tools, cloud services and our world-class support. 

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Watch our webinar to learn how Nordic's integrated cellular solutions can take you to market faster.  

nRF91 Series key benefits

When evaluating the most suitable low-power wide-area network (LPWAN) technology for your Internet of Things (IoT) application, it's crucial to consider various factors beyond just technical specifications, which in itself can widely diverge from real-world performance. These are some of the key reasons why cellular IoT (comprising NB-IoT and LTE-M) can be a more suitable choice for your IoT project as opposed to LoRaWAN, Sigfox, Wi-SUN, or other LPWANs. 


The advantages of the nRF91 Series in cellular IoT

baccarat tải vềLiên kết đăng nhập  Integration: We have enabled an unprecedented level of integration by making a complete communication and application module with all relevant components in a tiny 10x16mm System-in-Package (SiP) for nRF9160 SiP and nRF9161 SiPand 7x11mm for the nRF9131 mini SiP. This allows for cost efficient and compact designs that are not possible with competing solutions, such as a battery and solar-powered animal tracker weighing an impressive 2.5 grams.
 baccarat tải vềLiên kết đăng nhập Low Power: Your product's power consumption is not determined by a few datasheet data points, but by the average power consumption during operation. The nRF91 Series was built from the ground up for unparalleled power efficiency for all network conditions, making it possible to create ground breaking products like the world’s first solar-powered and batteryless cellular IoT asset trackerthat can operate perpetually on harvested solar energy.
 baccarat tải vềLiên kết đăng nhập Ease of use: Development is streamlined with great , full  support, flexible hardware and powerful development tools. This allows customers to save significant time and resources in their development cycle while achieving the desired performance and energy targets of their applications.
 baccarat tải vềLiên kết đăng nhập Global certifications: Certified for operations in all key regions and with all major operators, allowing your product to be easily deployed in a global stage without a complex BOM and supply chain for region specific components.

Power consumption beyond the datasheet

Nordic takes a holistic approach

Optimized for total average current consumption: beyond PSM floor currents

When evaluating cellular solutions, it is vital not to rely solely on a few specification points as there are various factors affecting power consumption. In the case of Power Saving Mode (PSM) floor currents, drawing conclusions based on this metric alone can lead to erroneous assessments of a device's power efficiency. Low PSM floor currents often have hidden caveats such as lack of RAM retention, and sometimes even GPIO retention. This translates into significant power consumption overhead on cellular operations, resulting in a higher average current consumption of your device. In addition, traditional cellular devices require a host MCU which increases the overall system power consumption. Nordic makes it easy to  and measure power consumption with our developer-friendly tools.

Looking at a data exchange example with various PSM intervals, we see that even though Module X has 50% lower PSM floor current, the average current consumption can be 7 times lower on nRF9160, even for long PSM intervals. This is because the wake up energy on Module X is much higher than on nRF9160, and that has a larger footprint than PSM floor in the overall energy consumption. 

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*Calculations with comparable external MCU for Module X with sleep current at 14µA (with RAM retention).

What this translates to in your end product is reduced battery size and cost, allowing for much more cost-effective and compact designs that are simply not possible with any other cellular device in the market today. The Devzone blog dives deeper into battery maximization of Cellular IoT applications.

Learn from our experts

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Look out for  or find all recordings of our previous sessions.  Discover our vast library of available on-demand webinars covering all relevant topics within Cellular IoT.

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