The question as below reach me. I will quote myself. Q: Please let me know the tips , to ensure connectivity all the time. I am loosing connectivity after 2/3 days , I need to manually reconnect by ringing the modem again as on now. A: There are several sources for disconnect. Chapter: AT commands […]
By using of a combined FR4 together with Flex PCB is it possible to bend the PCB and to get a good ground plane for the GSM and GPS antenna. Such PCBs can be useful for tracking of animals, banknotes or tracking of security officers.
Latest version of IoT M2M Cookbook IoT M2M Coobook version 2014-10-06 for download IoT M2M Cookbook Table of Contents In September I have written seven more pages. The latest updates of the book are inspired by my consultancy contracts and questions of the readers of the book. In October the book got ten more pages […]
IoT M2M Cookbook – latest news The latest version of the IoT M2M Cookbook made a big jump. I bought a GSM tester and made some measurement reports public. Mesurement report with GSM tester Such a GSM tester emulates a cellular based station. I explain in detail how to use the tester and which reports […]
My IoT M2M Cookbook has now a nearly final version. It explains in details how to move from an idea for a wireless device to a product for mass production. Table of contents: 1 Why to write the IoT / M2M Cookbook? 5 2 Fundamental considerations before starting the IoT / M2M project 5 3 […]
How to develop a device based on wireless modules Table of contents 1 Why to write the IoT / M2M Cookbook? 5 2 Fundamental considerations before starting the IoT / M2M project 5 3 Certifications and approvals 6 3.1 Examples for Radio approvals in EU and US 6 3.2 Examples for Radio approvals in US […]
My IoT M2M Cookbook got an update. The mayor news is that everybody who owns a copy of the book will get an export (Touchstone file) out of CST Microwave Studio for import to Atyune. Atyune is a free of charge software to generate a matching circuit automatic. The jitter of the resonate frequency generate […]
Ceramic embedded LTE antenna This LTE antenna with is very detailed documentation is a good example to explain the working of ceramic antennas on a PCB with different size of ground plane. I. Embedded LTE antenna efficiency The antenna is resonating in all major LTE, GSM and HSPA bands and on Wi-Fi 2400 MHz and […]
About IoT Meetup group in Zurich The Internet of Things is connecting us all. We should connect in person, in the real world, as well as digitally! This meetup group is for everyone who is interested in doing projects and publishing their data using IoT tools and platforms. I will talk 25 minutes about the […]
April 2014 @ M2M Journal http://www.m2m-alliance.com/fileadmin/user_upload/pdf/m2mJournal/140402_M2M_Journal_low.pdf The example of a locating device based on cellular modules (GSM, HSPA, LTE) and GNSS modules (GPS, Glonass, All Galileo) explains how to develop a complex IoT / M2M-device with embedded antennas. The person, who has to develop a telemetry device, ignores the part of GNSS. The 20 years […]