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How to apply NB-IOT technology on smart bracelet?
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While the Internet of Things (IoT) continues to evolve, it’s clear that Narrowband IoT (NB-IoT) has emerged as a groundbreaking communication technology. Since its standard was established in 2016, many experts have predicted that 2017 would mark the beginning of NB-IoT's commercial adoption. From what we see in today's market, major players in IoT applications are increasingly focusing on NB-IoT.
One notable aspect of NB-IoT is that it relies on uniform network deployment by telecom operators. In the near future, China's NB-IoT networks will be managed by the three primary operators—China Mobile, China Telecom, and China Unicom. Among them, China Telecom is leading the way with the fastest network rollout. However, with operator-controlled networks comes the issue of network charges. Additionally, since NB-IoT applications require a SIM card, there’s an added cost consideration. Whether you’re a consumer, manufacturer, or operator, addressing these costs is essential.
Someone recently asked whether NB-IoT or SIM card communication poses less radiation risk. The truth is that the radiation levels from any wireless communication technology are negligible for humans. Therefore, debating the radiation levels between NB-IoT and SIM cards is somewhat irrelevant. Instead, people are more concerned about power consumption, as it directly impacts battery life and charging frequency. Compared to previous 2G GPRS modules, NB-IoT consumes about ten times less power (GPRS sleep current ≤ 50uA, NB-IoT module power consumption ≤ 5uA). Although this is a significant improvement, it still lags behind Bluetooth Low Energy (BLE).
Currently, BLE dominates the smart wearable market due to its lower power consumption. Thus, in terms of battery capacity, products using NB-IoT are likely to be fewer compared to those using BLE.
Another limitation of NB-IoT is its relatively low data transfer rate, making it unsuitable for applications requiring large amounts of data transmission. Additionally, the combination of low power consumption and low data rates makes NB-IoT unsuitable for applications demanding frequent real-time uploads.
Looking ahead, the cost of NB-IoT modules could decrease significantly as the market grows. Operators are also providing subsidies to encourage adoption. One key advantage of NB-IoT is its ability to function independently of mobile devices, unlike BLE, which often depends on a paired smartphone. This independence makes NB-IoT particularly useful for standalone smart wearables like watches and bracelets. Furthermore, NB-IoT consumes less power than traditional 2G networks, making it a viable option for long-lasting devices.
However, NB-IoT modules currently lack location-tracking capabilities, though this may change with future base station upgrades. Additionally, the current protocol version only supports intelligent active timing reports, without enabling downward copying. On top of that, the size of NB-IoT modules remains larger than ideal, and costs are still relatively high.
In summary, if you're considering applying NB-IoT to smart bracelets or watches, it might be a great fit if your application doesn’t require high-frequency or highly real-time data uploads. Moreover, if your target users can operate independently of their smartphones—or if they face challenges like elderly users struggling with Bluetooth or Wi-Fi pairing—then NB-IoT could be the perfect solution.
It’s important to note that while NB-IoT is a promising technology, many existing smart wearable products using this technology are still in the early stages of development. Mass-market adoption will depend heavily on comprehensive network coverage. Ultimately, the success of smart wearables lies in identifying user pain points and designing creative solutions. NB-IoT and other LPWAN technologies are merely tools—creativity is the true driver.
This document is curated from "Insights."
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