IoT M2M blog

The home of free hints and tips about wireless IoT / M2M

World’s first free and open IoT out of the box with NB-IoT module with Arduino header

NB-IoT-LTE-Cat-NB1-M1-Arduino-Shield

Many IoT / M2M Cookbook customers asked me for an evaluation kit within the last two years. I launched the first version during M2M Summit in September 2016. In February 2017 the multicellular version came true. The working name is HARduino because it has an Arduino R3 compatible UART interface. HARALD – ALD + duino […]

NB-IoT and band 70 – What is your opinion?

Radio wave lambda

RF engineers already know that signal propagation characteristics vary according to frequency. In simple terms, signals carried at lower frequencies travel further. Since wavelength equals the speed of light divided by the period of the carrier signal, we can see that low frequency signals have a long wavelength. Long wavelength, low frequency radio waves are […]

When pigeons tweet – birds in IoT

Pigeons wearing wireless pollution-monitoring devices will report back via Twitter

Pigeons don’t tweet, they make cooing noises. They don’t wear backpacks either. Usually. Well, say hello to the new breed of backpack wearing, tweeting pigeons that might just save lives.   If you live in a city there’s a good chance you’ll be sharing it most days with a large number of pigeons. And generally […]

400 students have already enrolled at the IoT-University

Direction in LPWAN

The IoT-University was launched just one month ago. In just four weeks there are more than 400 students on the course. Students want to learn and to educate them we need more mentors who love to share; we have space for eight more to join us. If you have something to share, join us. Become […]

LPWAN comparison – Weightless-P vers SIGFOX vers LoRa

Sigfox, Lora, Weightless P compared to each other

For comparison, the Hata Model was used. Hata is the most widely used radio frequency propagation model for predicting the behaviour of cellular transmissions in built up areas. Settings for the simulation on Hata model LPWAN Base Station Height = 30m End-Device Height = 0.5m Simulation results for LPWAN on Weightless P, LoRa and SIGFOX   If […]

Comparison of LPWAN like SIGFOX, LoRaWAN, Weightless P and NB-IoT/LTE-Cat-NB1 – Tuesday, March 14, 2017

embedded-world-2016

Tuesday, March 14, 2017, I will compare LPWAN like SIGFOX, LoRaWAN, Weightless P and NB-IoT/LTE-Cat-NB1 at embedded world in Nuremberg. Tuesday, March 14, 2017, 09:30 – 12:30 Session 03/I Connectivity – Wireless Technologies I Program: http://www.embedded-world.eu/program.html 09:30 – 10:00 Comparison of LPWAN Like SIGFOX, LoRaWAN, Weightless P and NB-IoT/LTE-Cat-NB1 Harald Naumann, Tekmodul 10:00 – 10:30 […]

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