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Dual-Band Wireless SoC for Next-Gen Connectivity

The EFR32FG28 System on Chip (SoC) from Silicon Labs is a groundbreaking dual-band Sub-GHz +2.4 GHz Bluetooth LE solution that is designed for a wide range of IoT and connected applications spanning smart home, security systems, lighting controls, building automation, metering devices, and more.

This innovative SoC merges a robust Sub-GHz radio with a Bluetooth radio for extended range capabilities and unparalleled design flexibility.  With its single die, multi-core architecture, the EFR32FG28 delivers top-tier security features, ultra-low power consumption with swift wake-up times, and integrated power amplifiers (PA).

The EFR32FG28 paves the way for advanced, secure connectivity in IoT ecosystems. Its expansive memory footprint facilitates adaptable solutions for Dynamic Protocol support, while the inclusion of a Matrix Vector Processor empowers seamless integration of AI/ML algorithms for intelligent end-node devices.

Key Features:

  • 32-bit ARM® Cortex®-M33 core with 78 MHz maximum operating frequency 

  • 1024 kB of flash and up to 256 kB of RAM

  • Energy-efficient radio core with low active and sleep currents 

  • Integrated PAs with up to 20 dBm for subGHz and 10 dBm for BLE transmit power

  • Robust peripheral set and up to 49 GPIO

  • QFN48 and QFN68 package options

  • Operation up to 125 °C

Key Applications:

  • Metering

  • Home and Building Automation

  • Industrial Automation

  • Security

  • Street Lighting


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