HOW MIROMICO DESIGNED THE INDUSTRY’S SMALLEST LORAWAN MODULE FOR THE IOT

Miromico develops innovative IoT solutions in volume using state-of-the-art wireless technologies, including LoRaWAN, Sigfox, and NB-IoT. The Zurich, Switzerland-based company also provides design services in the areas of ICs, electronic systems, and software. By:Christine Young

The company is disrupting the design of sensors by tapping into novel wireless communications technologies. In doing so, Miromico is producing low-cost, battery-powered sensors that operate for more than 10 years. To facilitate fast prototyping and development for its customers, its designs are based on standard Miromico modules that can be used out of the box. Using these modules, designers can bring wireless connectivity to a variety of products.

While many of the company’s LoRaWAN modules are based on chipsets that are large and do not provide security, IoT applications demand the opposite. “In LoRaWAN, our clients want to have access to novel and highly integrated technologies. We needed for the extension of our LoRaWAN module family a microcontroller that is small, offers security, and is cost competitive. At the same time, we also wanted to have a strong partner with competence in security,” explained Dr. Schekeb Fateh, who works in business development at Miromico.

The company found its microcontroller solution in the MAX32625/MAX32626 microcontrollers from Maxim’s family of ultra-low-power microcontrollers, which are ideal for IoT applications and wearables. The FMLR-6x-x-MA62x, which measures just 8.6mm x 9.3mm, is the world’s smallest LoRaWAN module. It can send with up to 20dBm and receive with a sensitivity of -137dBm and offers security on the node. Designers can place the module in a high-density urban or long-range rural environment and connect to a large variety of sensors via LoRaWAN.

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