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Bluetooth 5.2


Low Cost, Secure Bluetooth 5.2 SoCs
Designed for IoT End Nodes

Silicon Labs delivers a family of small, low-power Bluetooth 5.2 SoCs optimized for high volume production with EFRBG22

  • Low-energy / optimized for battery applications
  • Bluetooth mesh and AOA capable
  • Security
  • Low cost

Meet the


EFR32BG22 Wireless Gecko SoC


EFR32BG22 Wireless Gecko SoC

The EFR32BG22 Wireless Gecko family of SoCs is part of the Wireless Gecko portfolio. EFR32BG22 Wireless Gecko SoCs are ideal for enabling energy-friendly Bluetooth 5.2 networking for IoT devices at a low cost. The single-die solution combines a 76.8 MHz Cortex-M33 with a high performance 2.4 GHz radio to provide an industry-leading, energy efficient wireless, SoC for IoT connected applications.

Thunderboard BG22 Kit


Thunderboard BG22 Kit

EFR32BG22 (BG22) Bluetooth low energy (LE) wireless SoC solutions are part of the Wireless Gecko Series 2 platform. The BG22 family's combination of best-in-class ultra-low transmit and receive power (4.1 mA TX at 0 dBm, 3.6 mA RX) and a high-performance, low-power Arm® Cortex®-M33 core (27 µA/MHz active, 1.2 µA sleep) delivers industry-leading energy efficiency that can extend coin cell battery life up to ten years.

The EFR32BG22 (BG22) Wireless Gecko family of Bluetooth 5.2 SoC devices deliver the right combination of security features, processing power, wireless performance and software to meet the market demand for high-volume, battery-powered IoT products - all at a low cost.

Based on Silicon Labs’ secure, ultra-low-power Wireless Gecko Series 2 platform

BG22 SoCs provide developers with a versatile, scalable connectivity solution supporting the new Bluetooth 5.2 specification, Bluetooth mesh 1.0, angle-of-arrival (AoA).

View Datasheet



  • Asset tags and beacons
  • Portable medical
  • Bluetooth mesh low-power nodes
  • Sports, fitness, and wellness devices
  • Connected homes end devices
  • Building automation and security
  • Consumer electronics remote controls

More Resources


Silicon Labs' BG22 is a low-energy Bluetooth 5.2 SoC developed to support high-volume, battery-powered IoT products. The BG22 offers detailed security, wireless performance, processing power, stack and tools all at an affordable cost. Find out more as one of our Applications Engineers dives in to the specs and benefits of this new technology!

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Also Available:
EFR32BG22 Series 2 Modules

You may also be interested in the BGM220 Bluetooth low energy wireless modules from Silicon Labs.

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Silicon Laboratories, Inc. (Silicon Labs) is a worldwide fabless semiconductor company headquartered in Austin, Texas, United States. Silicon Labs provides silicon, software and solutions for the Internet of Things (IoT), Internet infrastructure, industrial automation, consumer and automotive markets.

Silicon Labs was founded in 1996 and pioneered RF and CMOS integration, developing the first CMOS RF synthesizer for mobile phones. Since the company's inception, Silicon Labs has focused on connectivity solutions, starting with PC modems and most recently as a leading provider of solutions for the Internet of Things (IoT) with an emphasis on connectivity, performance, energy savings, and simplicity. Its products include microcontrollers (MCUs), wireless SoCs, timing devices, low-power sensors, and broadcast solutions. The company's software stack solutions include firmware libraries, protocol-based software, and the Simplicity Studio development platform.

Symmetry Electronics

Why partner with Symmetry Electronics?

Symmetry's technical staff is specially trained by our suppliers to provide a comprehensive level of technical support. Our in-house Applications Engineers provide free design services to help customers early in the design cycle, providing solutions to save them time, money and frustration. Contact Symmetry for more information.