![]() The new device embeds a specially engineered radio based on Semtech SX126x that offers two power outputs: one up to 15 dBm and the other up to 22 dBm. Why is the STM32WL More Flexible? Dual Output Power and Multiple Modulation The NUCLEO-WL55JC1 The STM32WL is thus an essential step toward the democratization of the Long Range (LoRa) technology. They also make the point that smart grids are a great tool to reduce greenhouse gas emissions and meet the latest European standards. In fact, in another paper published in the International Journal of Electrical Power & Energy Systems 2, Chinese scholars show that LoRa is an excellent modulation for smart grids and provides a methodology to optimize the implementation of smart meters. Its use of sub-gigahertz frequencies along with its Chirp Spread Spectrum modulation technique enables the transmission of small packages over long distances while making it more resilient against interferences and more robust overall. ![]() In a survey presented at the 2017 International Symposium on Signals, Circuits, and Systems 1, researchers established that LoRa could solve the significant challenges that plague the widespread adoption of IoT devices. Let’s, therefore, understand better why the industry is so enthusiastic about a LoRa-enabled System-on-Chip and the ST optimizations that make the STM32WL special. The first STM32WLs we are launching today target OEMs and select ST customers who will also have access to a LoRAWAN stack on demand, thus accelerating their production ramp-ups. The new device opens the door to original applications by enabling simpler, more flexible, more integrated, and more power-efficient designs. Until now, the industry either had discrete MCUs and transceivers, or both components under the same package but on different dies (System-in-Package). The STM32WL is the world’s first wireless microcontroller to integrate a LoRa transceiver on its silicon die.
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