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//
Wireless // Thread

Thread Networking Solutions

Thread solves the challenges of IP connectivity from the edge to the cloud, by leveraging self-healing mesh features, native IPv6 based connectivity and state of the art security with a multitude of application-layer choices for connected devices. As a founding board member of the Thread Group, we help accelerate time-to-market with proven mesh networking hardware and certified software solutions using the popular OpenThread open-source implementation.

Developing for Matter over Thread?

In today’s feature packed IoT devices, wireless coexistence is necessary. It’s also exceedingly complex. Our Thread portfolio features industry leading modules and SoCs as well as software solutions, including Matter, to provide a system-level approach to application development.

Matter drives the convergence between the major IoT ecosystems to create one easy, reliable, and secure wireless protocol to connect all IoT devices and networks. Learn more about developing for Matter over Thread.

  1. Hardware
  2. Kits and Boards
  3. Software and Tools
  4. Learn About Thread
  1. Hardware
Mesh Networking System-on-Chip (SoC)​ and Modules Select Columns
Select Columns
Thread Certified Frequency Bands (MHz) Flash (kB) RAM (kB) Output Power Range (dBm) RX Sensitivity (dBm) TX Current (mA) 0 dBm RX Current (mA) Security GPIO MCU Core
FEATURED
EFR32MG24 Series 2 SoCs
EFR32MG24 Series 2 SoCs
2.4 GHz 1024, 1536 128, 192, 256 -20 10,19.5 — — — AES-128 AES-256 ECC SHA-1 SHA-2 Secure Enclave 26, 28, 32 ARM Cortex-M33
EFR32MG24 Series 2 Modules
EFR32MG24 Series 2 Modules
1536 256 -33.7,-29.1,-24 10,19.9 — — — AES-128 AES-256 ECC SHA-1 SHA-2 26, 32 ARM Cortex-M33
EFR32MG21 Series 2 SoCs
Zigbee and Thread EFR32MG21 SoCs (Series 2)
2.4 GHz 512, 768, 1024 64, 96 -20 10,10.5,20 -104 (250 kbps O-QPSK DSSS) 10.4 9.4 AES-128 AES-256 ECC SHA-1 SHA-2 20 ARM Cortex-M33
EFR32MG21 Series 2 Modules
Zigbee and Thread EFR32MG21 Based Modules (Series 2)
2.4 GHz 1024 96 -20 10,12.5,20 — — — — 20 ARM Cortex-M33
EFR32MG12 Series 1 SoCs
Zigbee and Thread EFR32MG12 SoCs (Series 1)
2.4 GHz Sub-GHz 1024 128, 256 -30 10,19 -102.7 (250 kbps O-QPSK DSSS), -120.6 dBm (2.4 kbps 2 GFSK 868 MHz) 8.5, 9.5 8.4, 10.8 AES-128 AES-256 ECC SHA-1 SHA-2 31, 46, 65 ARM Cortex-M4
EFR32MG12 Series 1 Modules
Zigbee and Thread EFR32MG12 Based Modules (Series 1)
2.4 GHz Sub-GHz 1024 256 -30 10,17 — — — — 25 ARM Cortex-M4
EFR32MG13 Series 1 SoCs
Zigbee and Thread EFR32MG13 SoCs (Series 1)
2.4 GHz Sub-GHz 512 64 -30 10,19 -102.7 (250 kbps O-QPSK DSSS) 8.5 10.2 AES-128 AES-256 ECC SHA-1 SHA-2 16, 31 ARM Cortex-M4
EFR32MG13 Series 1 Modules
Zigbee and Thread EFR32MG13 Based Modules (Series 1)
512 64 -30 10,19 — — — — 25 ARM Cortex-M4
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      1. Kits and Boards

      Thread Kits and Boards

      Pro Kits (2) Modular kits for software development and feature evaluation of IoT devices
      XG24-PK6009A EFR32xG24 Pro Kit +10 dBm MSRP $179.00
      XG24-PK6010A EFR32xG24 Pro Kit +20 dBm MSRP $179.00
      Starter Kits (3) Modular kits for software development and feature evaluation of IoT devices
      SLWSTK6006A EFR32xG21 Wireless Gecko Starter Kit MSRP $479.00
      SLWSTK6023A EFR32xG21 Bluetooth Starter Kit MSRP $99.00
      SLWSTK6102A xGM210P Wireless Module Starter Kit MSRP $320.00
      Development Kits (1) Full-featured application development kits
      XG24-DK2601B EFR32xG24 Dev Kit MSRP $79.00
      Radio Boards (13) Wireless starter kit plug-in boards featuring specific SoC or module wireless devices
      SLWRB4180B EFR32xG21A Wireless Gecko 2.4 GHz +20 dBm Radio Board MSRP $49.00
      SLWRB4181B EFR32xG21A Wireless Gecko 2.4 GHz +10 dBm Radio Board MSRP $49.00
      SLWRB4181C EFR32xG21B Wireless Gecko 2.4 GHz +10 dBm Radio Board with Secure Vault MSRP $49.00
      SLWRB4308B xGM210P Wireless Gecko 2.4 GHz +10 dBm Radio Board MSRP $49.00
      SLWRB4308C xGM210PB Wireless Gecko 2.4 GHz +20 dBm Radio Board with Secure Vault MSRP $49.00
      SLWRB4308D xGM210PB Wireless Gecko 2.4 GHz +10 dBm Radio Board with Secure Vault MSRP $49.00
      SLWRB4309B xGM210L Wireless Gecko 2.4 GHz +12.5 dBm Radio Board MSRP $49.00
      XG24-RB4186C EFR32xG24 Wireless 2.4 GHz +10 dBm Radio Board MSRP $39.00
      XG24-RB4187C EFR32xG24 Wireless 2.4 GHz +20 dBm Radio Board MSRP $39.00
      XG24-RB4188A EFR32xG24 Wireless 2.4 GHz +20 dBm Antenna Diversity Radio Board MSRP $49.00
      XGM240-RB4316A xGM240P +10 dBm Module Radio Board MSRP $49.00
      XGM240-RB4317A xGM240P +20 dBm Module Radio Board MSRP $49.00

      Featured Kits

      EFR32xG24 Pro Kit +10 dBm

      The EFR32xG24 +10 dBm Pro Kit is designed to support the development of wireless IoT devices based on the EFR32xG24 and support the development of 2.4 GHz wireless protocols including BLE, Bluetooth mesh, Zigbee, Thread, and Matter.

      EFR32xG24 Pro Kit +10 dBm

      The EFR32xG24 +10 dBm Pro Kit is designed to support the development of wireless IoT devices based on the EFR32xG24 and support the development of 2.4 GHz wireless protocols including BLE, Bluetooth mesh, Zigbee, Thread, and Matter.
      MSRP $179.00
      Add to Cart
      Learn More

      EFR32xG24 Pro Kit +20 dBm

      The EFR32xG24 +20 dBm Pro Kit is designed to support the development of wireless IoT devices based on the EFR32xG24 and support the development of 2.4 GHz wireless protocols including BLE, Bluetooth mesh, Zigbee, Thread and Matter.

      EFR32xG24 Pro Kit +20 dBm

      The EFR32xG24 +20 dBm Pro Kit is designed to support the development of wireless IoT devices based on the EFR32xG24 and support the development of 2.4 GHz wireless protocols including BLE, Bluetooth mesh, Zigbee, Thread and Matter.
      MSRP $179.00
      Add to Cart
      Learn More

      EFR32xG24 Dev Kit

      The EFR32xG24 Dev Kit is a compact, feature-packed development platform. It provides the fastest path to develop and prototype wireless IoT products. The development platform supports up to +10 dBm output power and includes support for the 20-bit ADC as well as other key features.

      EFR32xG24 Dev Kit

      The EFR32xG24 Dev Kit is a compact, feature-packed development platform. It provides the fastest path to develop and prototype wireless IoT products. The development platform supports up to +10 dBm output power and includes support for the 20-bit ADC as well as other key features.
      MSRP $79.00
      Add to Cart
      Learn More

      EFR32xG24 Explorer Kit

      The EFR32xG24 Explorer Kit is small form factor development and evaluation platform based on the EFR32MG24 System-on-Chip. The EFR32xG24 Explorer Kit is focused on rapid prototyping and concept creation of IoT applications for 2.4 GHz wireless protocols including Bluetooth LE, Bluetooth mesh, Zigbee, Thread, and Matter.

      EFR32xG24 Explorer Kit

      The EFR32xG24 Explorer Kit is small form factor development and evaluation platform based on the EFR32MG24 System-on-Chip. The EFR32xG24 Explorer Kit is focused on rapid prototyping and concept creation of IoT applications for 2.4 GHz wireless protocols including Bluetooth LE, Bluetooth mesh, Zigbee, Thread, and Matter.
      MSRP $39.00
      Add to Cart
      Learn More

      EFR32xG24 Wireless 2.4 GHz +10 dBm Radio Board

      The EFR32xG24 +10 dBm Radio Board is designed work with the WSTK main board (not included) to support the development of wireless IoT devices based on 2.4 GHz wireless protocols inlcuding BLE, Bluetooth mesh, Zigbee, Thread, and Matter.

      EFR32xG24 Wireless 2.4 GHz +10 dBm Radio Board

      The EFR32xG24 +10 dBm Radio Board is designed work with the WSTK main board (not included) to support the development of wireless IoT devices based on 2.4 GHz wireless protocols inlcuding BLE, Bluetooth mesh, Zigbee, Thread, and Matter.
      MSRP $39.00
      Add to Cart
      Learn More

      EFR32xG24 Wireless 2.4 GHz +20 dBm Antenna Diversity Radio Board

      The EFR32xG24 +20 dBm Antenna Diversity Radio Board is designed work with the WSTK main board (not included) to support the development of wireless IoT devices based on 2.4 GHz 802.15.4 protocols including OpenThread and Zigbee.

      EFR32xG24 Wireless 2.4 GHz +20 dBm Antenna Diversity Radio Board

      The EFR32xG24 +20 dBm Antenna Diversity Radio Board is designed work with the WSTK main board (not included) to support the development of wireless IoT devices based on 2.4 GHz 802.15.4 protocols including OpenThread and Zigbee.
      MSRP $49.00
      Add to Cart
      Learn More

      EFR32xG24 Wireless 2.4 GHz +20 dBm Radio Board

      The EFR32xG24 +20 dBm Radio Board is designed work with the WSTK main board (not included) to support the development of wireless IoT devices based on 2.4 GHz wireless protocols inlcuding BLE, Bluetooth mesh, Zigbee, Thread, and Matter.

      EFR32xG24 Wireless 2.4 GHz +20 dBm Radio Board

      The EFR32xG24 +20 dBm Radio Board is designed work with the WSTK main board (not included) to support the development of wireless IoT devices based on 2.4 GHz wireless protocols inlcuding BLE, Bluetooth mesh, Zigbee, Thread, and Matter.
      MSRP $39.00
      Add to Cart
      Learn More

      Pro Kit Mainboard Accessory Kit

      The accessory kit enables the use of the Pro Kit Mainboard (BRD4002A) as a stand-alone debug adapter for custom hardware. It includes a mini-simplicity 10-pin flat cable which provides AEM (energy monitoring), SWD interface, VCOM (UART bridge) and PTI (Packet Trace Interface) support. Additionally it also includes the necessary wire harness and hooks for the on-board logic analyzer.

      Pro Kit Mainboard Accessory Kit

      The accessory kit enables the use of the Pro Kit Mainboard (BRD4002A) as a stand-alone debug adapter for custom hardware. It includes a mini-simplicity 10-pin flat cable which provides AEM (energy monitoring), SWD interface, VCOM (UART bridge) and PTI (Packet Trace Interface) support. Additionally it also includes the necessary wire harness and hooks for the on-board logic analyzer.
      MSRP $32.00
      Add to Cart
      Learn More
      1. Software and Tools

      Thread Software Development

      Silicon Labs Thread software includes industry-leading software stacks and development tools for Thread applications. In conjunction with modules, SoCs and reference designs for Thread from Silicon Labs, developers can use software and tools from Silicon Labs to quickly and reliably:

      • Develop multi-node mesh networks
      • Monitor and debug multiple nodes simultaneously
      • Visually analyze system performance

      Thread SDK   Silicon Labs is a founding board member of the Thread Group with numerous successful customer deployments of mesh networking solutions based on 802.15.4 and Zigbee. Registered customers of the kits can access the Thread SDK and development tools through Simplicity Studio



      Resources
      • Technical Documentation
      • Training
      • API Documentation
      1. Learn About Thread

      What is Thread?

      Silicon Labs is the vendor of choice for OEMs developing Thread networking into their products. The Silicon Labs 802.15.4 platform is the most integrated, complete and feature rich solution available for Thread — a family of Wireless SoCs, based on Arm® Cortex® processor and 2.4 GHz transceiver, together the most reliable, scalable and advanced software and supported by best-in-class development tools.

      Thread is an IPv6-based mesh networking protocol designed as a reliable, low-power, secure and scalable networking solution for connecting Things to the IoT. As a founding board member of the Thread Group, Silicon Labs helps accelerate time to market with proven mesh networking hardware and software solutions.

      OpenThread EFR32 Support

      OpenThread is an open-source implementation of the Thread specification being adopted by multiple customers and supported by a wide community of developers and adopters. The Wireless Gecko family of products is fully supported in the OpenThread GitHub and has been certified as a Thread Certified Component.

      Support
      Learn More About Thread

      Secure, smart home solutions for Thread

      Smart Home

      Smart Lighting

      Smart Sensors

      Learn more about Thread with these training assets

      Tech Talk
      Tech Talks - 15.4 Mesh Networking Technologies
      April 7, 2020
      Tech Talk
      Tech Talks - Building a Proper Mesh Test Environment: How This Was Solved in Boston
      July 2, 2020

      Featured Thread Resources

      podcast

      Will OpenSource Software Matter in the Future?

      Tech Talk

      Get to Know OpenThread Resources and Examples

      Whitepaper

      Ushering in a New Era of Internet Connectivity with Thread Networking Protocol

      whitepaper

      Matter Certification: The Value it Brings to IoT Devices

      On-Demand

      Works With Virtual 2022: Where Innovation Meets Implementation

      All keynotes, technical sessions, and hands-on workshops are now available on-demand. Watcch your favorite sessions anytime, anywhere!

      Watch On-Demand
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      Also of Interest:
      • SLWSTK6000B
      • Thread Software Development Kit
      • Benchmarking Bluetooth Mesh, Thread, and...

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