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Certified Wi-SUN Technology from the Leader in IoT

Silicon Labs has been developing solutions for industrial and commercial applications for more than a decade, and we have a long track record of leading the development of the Wi-SUN standard and a portfolio that offers OFDM and FSK support, Wi-SUN certified ICs, and a full range of reference designs and development tools.

Sub-GHz SoC and Module Selector Guide

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Explore our 5-Part LPWAN Tech Talk Series

Our 5-part LPWAN Tech Talk series takes viewers through some of the common design challenges that come with large-scale smart city, utility, and industrial IoT development.

Wi-SUN Wireless SoCs Select Columns
Select Columns
Wi-SUN Certified MCU Core Frequency Range (MHz) Flash (kB) RAM (kB) Max Output Power (dBm) GPIO Security Peak RX Sensitivity
FEATURED
EFR32FG25 Series 2 SoCs
Sub-GHz Wireless SoCs
 ARM Cortex-M33 470 928.1 1152, 1920 256, 512 16 36, 37 AES-128 AES-256 ECC SHA-1 SHA-2 -125.8 (4.8 kbps OQPSK @ 915 MHz)
New
EFR32FG28 Series 2 SoCs New
Sub-GHz Wireless + 2.4 GHz BLE SoCs
 ARM Cortex-M33 110 970 1024 128, 256 16 31, 49 AES-128 AES-256 ECC SHA-1 SHA-2 -124.8 (4.8 kbps OQPSK @ 915 MHz)
EFR32FG12 Series 1 Sub-GHz and 2.4 GHz SoCs
Sub-GHz and 2.4 GHz
 ARM Cortex-M4 110 2483.5 512, 1024 64, 128, 256 19, 20 28, 31, 32, 46, 65 AES-128 AES-256 ECC SHA-1 SHA-2 -102.7 (250 kbps DSSS-OQPSK 2.4 GHz), -120.6 dBm (2.4 kbps 2 GFSK 868 MHz), -126.2 (600 bps GFSK 915 MHz), -126.2 (600 bps GFSK 915 MHz); -102.7 (250 kbps DSSS-OQPSK 2.4 GHz), -126.2 (600 bps, GFSK, 915 MHz)
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      Wi-SUN Development Kits

      The EFR32FG25 Wi-SUN Pro Kits are designed to support the development of Wireless IoT devices based on the Sub-GHz WiSUN FAN. The Pro Kits include a radio board that provides a complete reference design for the EFR32FG25 Wireless SoC, with the matching network for +16 dBm covering 863-876 or 902-928 MHz. Each Wi-SUN Pro Kit includes 3 complete mainboard and radio board setups allowing for configuration of a multi-node test network.

      The Wireless Pro Kit Mainboard contains an on-board J-Link debugger with a Packet Trace Interface and a virtual COM port, enabling application development and debugging of the attached radio board as well as external hardware. The mainboard also contains sensors and peripherals for easy demonstration of some of the EFR32's many capabilities..

      Wi-SUN-PK6015A 863-876 MHz

      EFR32FG25 Wi-SUN 863-876 MHz +16 dBm Pro Kit

      The EFR32FG25 Wi-SUN Pro Kit is designed to support the development of Wireless IoT devices based on the Sub-GHz Wi-SUN FAN. The Wi-SUN-PK6015A Pro Kit includes a radio board that provides a complete reference design for the EFR32FG25 Wireless SoC, with matching network for +16 dBm covering 863-876 MHz.

      Wi-SUN-PK6016A 902-928 MHz

      EFR32FG25 Wi-SUN 902-928 MHz +16 dBm Pro Kit

      The EFR32FG25 Wi-SUN Pro Kit is designed to support the development of Wireless IoT devices based on the Sub-GHz Wi-SUN FAN. The Wi-SUN-PK6016A Pro Kit includes a radio board that provides a complete reference design for the EFR32FG25 Wireless SoC, with matching network for +16 dBm covering 902-928 MHz.

      Wi-SUN Compatible Radio Boards

      Radio Board Frequency Band Flash (kB) RAM (kB) Output Power (dBm) Wi-SUN Bluetooth 5 Bluetooth Mesh Zigbee Thread Sub-GHz 2.4 GHz
      xG28-RB4400C 863-928 MHz 1024 256 14 ✔ ✔       ✔  
      xG28-RB4401C 869*928 MHz 1024 256 20 ✔ ✔       ✔  
      FG25-RB4270B 902 - 928 MHz 1920 512 16 ✔         ✔  
      FG25-RB4271A 863 - 876 MHz 1920 512 16 ✔         ✔  
      FG25-RB4272A 470 - 510 MHz 1920 512 16 ✔         ✔  
      SLWRB4254A 868 MHz 1024 256 20 ✔         ✔ ✔
      SLWRB4253A 915 MHz 1024 256 20 ✔         ✔ ✔
      SLWRB4164A 915 MHz 1024 256 19 ✔ ✔ ✔ ✔ ✔ ✔ ✔
      SLWRB4163A 868 MHz 1024 256 19 ✔ ✔ ✔ ✔ ✔ ✔ ✔
      SLWRB4170A 868 - 915 MHz 1024 256 19 ✔ ✔ ✔ ✔ ✔ ✔ ✔

      Wi-SUN Software Development

      Silicon Labs Wi-SUN SDK includes industry-leading software stacks and development tools for Wi-SUN end nodes and border routers. In conjunction with SoCs and reference applications for Wi-SUN, 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
      Wi-SUN SDK
      • FAN certified PHYs
      • FAN certified router Stack
      • FAN certified Border Router Reference
      • CoAP Library
      • Wi-SUN Sample Applications
      • Wi-SUN Border Router Demo
      • Wi-SUN Network Analyzer
      Related Documentation
      Development Questions?
      • Visit The Community

        Engage with our engineers and developers from around the world and check out our knowledge base articles featuring FAQs, example code and additional resources.

      Simplify Wireless Connectivity

      Connect your applications on a technology architecture designed to scale across IoT applications including smart meters, streetlights, parking, weather monitoring, and waste management to converge onto one IoT network. Learn more about the featured applications.

      Smart Metering

      Smart Cities

      Street Lighting

      overview

      What is Wi-SUN?

      Wi-SUN is an open standard based on IPv6 and IEEE 802.15.4g/e specifications. The Wi-SUN Alliance is responsible for the development of the standard and is a global ecosystem of member companies seeking to accelerate the implementation of Field Area Networks (FAN) and Internet of Things (IoT).

      Top Benefits of Wi-SUN FAN (Field Area Network)

      Wi-SUN® FAN specifications bring Smart Ubiquitous Networks to service providers, utilities, municipalities/local government and other enterprises, by enabling interoperable, multi-service and secure wireless mesh networks.

      Requirement Product Feature Benefit
      IP-based solution IPv6/6LoWPAN
      • Extensive interoperability
      • Established security
      • Established naming, addressing, translation, lookup, discovery
      • Application-level data model and services
      • Established network management
      Open standards Based on IEEE, IETF and other open standards
      • Leverage existing proven standards, rather than “reinventing the wheel”
      • Not locked to a specific vendor
      Global solution Unlicensed bands: 2.4 GHz, sub-GHz (dominant)
      • Supports global and regional sub-GHz frequency bands
      Radio options FSK and OFDM modulations
      • Offer a variety of data rates and coverage for various deployment scenarios (Urban to Rural)
      Throughput 50 kbps to 2400 kbps
      • Address the differing throughput requirements of several potential use cases
      Application Types High/low throughputs at low power
      • Supports line powered as well as battery-operated use cases

      Future-Proof Your Smart City Design with Our Fully Integrated
      Wi-SUN FAN Certified Border Router

      VIRTUAL CONFERENCE

      Works With 2023

      Where Innovation Meets Implementation

      Works With 2023 is bringing you two days of technical sessions, keynotes, and expert-led panels covering the latest trends, tools, and design techniques for developers. This free, all-virtual event features more than 40 technical sessions specifically designed to bring together leading ecosystem partners, thought leaders, and Silicon Labs experts to dive deep into the technologies driving IoT.

      Watch On-Demand

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