by Harald Naumann | Nov 9, 2020 | FAQ
Which IoT protocol do I use? Very recently a significant new customer has asked us to design a combined LoRaWAN / Cellular (LTE-M/ NB-IoT) board. Cellular is pretty new. Q: I am currently selecting a suitable cellular modem. The idea is that we will run sensor...
by Harald Naumann | May 1, 2020 | FAQ
Which LPWAN do you use for an emergency call button? Register your interest for more on LPWAN designs in the upcoming LPWAN cookbook First of all, we have to establish whether the mobile emergency call button is to be used locally in a building, on a company campus,...
by Harald Naumann | Nov 2, 2019 | Antenna, FAQ
Certifying your IoT device The CE Radio Equipment Directive 2014/53/EU (RED) certification only applies to the radio module and is not transferred to the complete circuit board with the enclosure. You will have to test again, but only a subset of the tests...
by Harald Naumann | Aug 19, 2019 | FAQ
Request for an NB-IoT PCB antenna LoRa Tag without an enclosure Another request for a custom PCB antenna for NB-IoT. Since we invested in NB-IoT early on, we can bring a lot of experience. Simply taking over a layout of an antenna for an unlicensed band like LoRaWAN...
by Harald Naumann | Aug 14, 2019 | FAQ
Can you fit NB-IoT into a matchbox? We received a request for an NB-IoT device in a matchbox. It is of course not an actual matchbox but similar in size. Small NB-IoT devices with batteries operating in the frequency range from 600 MHz to 1000 MHz are the premium...
by Harald Naumann | Feb 11, 2019 | Antenna, FAQ
Is recertification necessary? Q: I have a question for you. It can be assumed that my new product contains a certified GSM module and is connected to a PCB antenna I developed. If my device is to receive CE certification, does it need to be fully re-tested? Will my...