Silicon Labs announced that the FG23L wireless SoC, the newest addition to its Series 2 portfolio, will be generally available on September 30. Developer kits are available now. The FG23L brings Silicon Labs’ Sub-GHz leadership to a new level, delivering secure long-range connectivity at a fraction of the cost. By balancing essential performance with unmatched affordability, it opens Sub-GHz IoT to broader markets and higher-volume applications.
As demand grows for long-range, cost-optimized wireless IoT solutions in industrial automation, smart cities, and building automation, the FG23L is purpose-built to help customers meet these needs with higher performance and lower system cost. Where competitive offerings often force tradeoffs between range, security, or efficiency, the FG23L delivers on all three.
With a best-in-class link budget of ~146 dB, the FG23L provides up to twice the range of comparable devices. Its combination of +20 dBm transmit power, high receiver sensitivity, and ultra-low power consumption enables reliable connectivity and over 10 years of battery life—critical for large-scale IoT deployments where device longevity and total cost of ownership matter most.
The FG23L integrates a 78 MHz Cortex-M33 core, dual-core wireless architecture, and Secure Vault Mid security to deliver advanced compute performance, robust connectivity, and protection against evolving security threats. Developers benefit from a rich peripheral set, 23 GPIOs, and streamlined design tools, including Simplicity Studio 5 and the Radio Configurator, which accelerate development and reduce complexity across global Sub-GHz bands.
This unique combination of performance, energy efficiency, and affordability gives customers the ability to scale IoT deployments faster and more cost-effectively. From industrial sensors, building automation, and smart city infrastructure to agricultural IoT and electronic shelf labels (ESLs), the FG23L empowers manufacturers to design connected products that compete more effectively in cost-sensitive markets.
Developers also have a seamless migration path from FG23L to FG23 and other Sub-GHz parts from Silicon Labs in case they are looking for more memory, more features, higher performance, or lower power.
The EFR32FG23L wireless SoCs will be generally available on September 30, and supporting development kits are now available worldwide through Silicon Labs’ distribution partners and www.silabs.com.
Read “Introducing the Ultra-Low Power IoT-Optimized FG23L Sub-GHz SoC” on the Silicon Labs blog to learn more about how the FG23L reinforces Silicon Labs’ commitment to delivering secure, intelligent wireless technology that empowers innovators to build a more connected world.
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