Back to Silicon Labs

Silicon Labs EFR32MG1 Mighty Gecko Wireless SoCs

Silicon Labs EFR32MG1 Mighty Gecko Wireless System-On-Chip (SoC) devices combine an energy-friendly MCU with a highly integrated radio transceiver capable of supporting Thread, ZigBee, BLUETOOTH Smart®, or proprietary short-range wireless protocols. Silicon Labs EFR32MG1 Internet of Things (IoT) SoC offers industry-leading energy efficiency, a scalable power amplifier, ultra-fast wakeup times, an integrated balun, and no-compromise MCU features.

Features

  • 32-bit Arm Cortex®-M4 core with 40MHz maximum operating frequency
  • 256kB of Flash and 32kB of RAM
  • Supports Zigbee, Thread, and BLUETOOTH Low Energy
  • 12-channel Peripheral Reflex System enabling autonomous interaction of MCU peripherals
  • Autonomous Hardware Crypto Accelerator and Random Number Generator
  • Integrated PA with up to 19dBm (2.4GHz) or 20dBm (Sub-GHz) TX power
  • Integrated balun for 2.4GHz
  • Robust peripheral set and up to 31 GPIO

Applications

  • Connected home
  • Lighting
  • Health and wellness
  • Metering
  • Building automation and security

Block Diagram

Block Diagram - Silicon Labs EFR32MG1 Mighty Gecko Wireless SoCs

Associated Products

Silicon Labs MGM111 Mighty Gecko Wireless Mesh Modules

Integrated Module based on EFR32MG11 SoC for Zigbee and Thread Mesh Networks.

Learn Moreabout Silicon Labs MGM111 Mighty Gecko Wireless Mesh Modules View Productsrelated to Silicon Labs MGM111 Mighty Gecko Wireless Mesh Modules

Skyworks Solutions Inc. SKY66404-11 2.4GHz Front-End Module

High-performance, fully-integrated RF FEM designed for Zigbee, Thread, and BLUETOOTH® applications.

Learn Moreabout Skyworks Solutions Inc. SKY66404-11 2.4GHz Front-End Module View Productsrelated to Skyworks Solutions Inc. SKY66404-11 2.4GHz Front-End Module

Additional Resources

Published: 2016-02-03 | Updated: 2025-08-06