by Harald Naumann | Sep 4, 2017 | Antenna
The Journey to develop the Gillette order button Introduction In 2016, a creative team in Frankfurt had the idea of developing an IoT push button for ordering goods via a cellular module. In principle, something similar to the Amazon Dash button, except using a...
by Harald Naumann | Jul 29, 2017 | Antenna
Gillette Order Button versus Amazon Dash Button What is the main difference between the order button concepts? Cellular antenna design – oven-ready in the IoT/M2M Cookbook The Amazon button is based on Wi-Fi and will run when connected to the home Wi-Fi network....
by Harald Naumann | Jul 22, 2017 | Antenna
GNSS antenna test PCB made by the akorIoT team Last week I got a request to support a small GPS tracker. The request is not new to me. It reaches me in several times per year. However, it makes no sense to reinvent the wheel again and again. To minimise the effort for...
by Harald Naumann | Jan 26, 2017 | Antenna
NB-IoT and band 70 – What is your view? RF engineers already know that signal propagation characteristics vary according to frequency. In simple terms, signals carried at lower frequencies travel further. Radio wave and wavelength – image credit Harald Naumann...
by Harald Naumann | Apr 28, 2016 | Antenna
Do you dream of a Tesla? I have an (IoT) dream and wake up to a Tesla I took this photo on my business trip on Monday to an electric vehicle charge station. On the way back to my home I got tired and decided to stop, take a nap and to get some coffee. I left the...
by Harald Naumann | Aug 11, 2015 | Antenna
Eddystone Beacon – First look from the inside out The Eddystone beacon is an open beacon format developed by Google. I got my hands on one before its official release. (n.b. the beacon was deprecated on December 7, 2020). Eddystone Beacon – physical facts...