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Christoph Hilbert frei

Christoph Hilbert
 LoRaWAN, Sigfox, IoT
06821 9190 -550 | ch@ime.de

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LoRaWAN/Sigfox/NB-IoT

LoRaWAN, Sigfox & NB-IoT – Your Reliable LPWAN Connectivity Options

In today’s connected world, many IoT devices operate in remote or hard-to-reach locations. Low-power, long-range, and cost-effective communication technologies like LoRaWAN, Sigfox, and NB‑IoT offer different advantages depending on the use case.

Technology Overview

LoRaWAN is an open standard offering long range (urban to rural) and low power consumption. It's ideal for private or closed networks – for example, in industrial or agricultural sensor environments – without ongoing subscription fees.

Sigfox uses ultra-narrowband technology on unlicensed spectrum. It is extremely power-efficient and best suited for simple status messages like fill levels or presence detection, with minimal data payload.

NB‑IoT, a licensed cellular standard (3GPP), delivers strong indoor penetration, reliable performance, and good energy efficiency. It is ideal for smart metering and asset tracking, where coverage and network stability matter most.

  • Power efficiency: Sigfox > LoRaWAN > NB‑IoT
  • Data rate: NB‑IoT > LoRaWAN > Sigfox
  • Cost: LoRaWAN often without recurring fees; Sigfox and NB‑IoT require subscriptions or SIM contracts

Whether you're deploying LoRaWAN gateways, evaluating Sigfox devices, or rolling out a scalable NB‑IoT solution – our team supports you with expert advice, configuration services, and project assistance.

👉 Looking for the right LPWAN technology for your project?
Contact us today – we’ll help you choose, implement, and operate the best-fit solution.

Frequently Asked Questions (FAQ)

What are the main differences between LoRaWAN, Sigfox, and NB‑IoT?

LoRaWAN supports private, long-range networks with flexible deployment. Sigfox is extremely low-power and handles only small data messages. NB‑IoT relies on licensed mobile networks and offers superior indoor coverage and reliability.

Which technology is the most energy-efficient?

Sigfox leads in power efficiency – suitable for rare and short messages. LoRaWAN also allows long battery lifetimes. NB‑IoT consumes more energy but is still efficient for many IoT use cases with moderate message frequency.

How do data rates compare between the technologies?

Sigfox has the lowest data rate (~100 bit/s), LoRaWAN supports up to 50 kb/s, and NB‑IoT offers up to 250 kb/s. The higher the rate, the better for more complex or frequent data transmission.

Are there recurring costs for Sigfox or NB‑IoT?

Yes. Both Sigfox and NB‑IoT require a service subscription or SIM-based connectivity. LoRaWAN can be operated without recurring costs if you run your own infrastructure.

Which technology works best in challenging indoor environments?

NB‑IoT performs best indoors and in basements due to its licensed frequency and robust signal penetration. LoRaWAN and Sigfox can also work indoors but require proper gateway coverage nearby.

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