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Wireless // Wi-SUN

Wi-SUN Enables IoT Innovation Across Industries

Wi-SUN makes it possible for utilities, municipalities, and other enterprises to deploy long-range, low-power wireless mesh networks that connect thousands IoT nodes.

Wireless Smart Ubiquitous Network (Wi-SUN) is the leading IPv6 sub-GHz mesh technology for smart city and smart utility applications. Wi-SUN brings Smart Ubiquitous Networks to service providers, utilities, municipalities/local government, and other enterprises, by enabling interoperable, multi-service, and secure wireless mesh networks. Wi-SUN can be used for large-scale outdoor IoT wireless communication networks in a wide range of applications covering both line-powered and battery-powered nodes.

Silicon Labs' Wi-SUN hardware is certified by the Wi-SUN Alliance, a global industry association devoted to seamless LPWAN connectivity. Wi-SUN builds upon open standard internet protocols (IP) and APIs, enabling developers to extend existing infrastructure platforms to add new capabilities. Built to scale with long-range capabilities, high-data throughput and IPv6 support, Wi-SUN simplifies wireless infrastructure for industrial applications and the evolution of smart cities.

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

  1. Hardware
  2. Kits and Boards
  3. Software and Tools
  4. Applications
  5. Learn About Wi-SUN
  1. Hardware
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 169 970 512, 1024 128, 256 14, 20 31, 49 AES-128 AES-256 ECC SHA-1 SHA-2 —
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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      Featured Wi-SUN Resources

      Filter
      Case Studies
      Silicon Labs Blog
      Tech Talk
      Webinars
      White Papers
      Silicon Labs Blog
      FG25 Sub-GHz SoC Now Available for Smart Cities and Long-Range Deployments
      Tech Talk
      LPWAN Tech Talks: Watch the sessions live at 10:00 AM CT/17:00 CET or catch the sessions on-demand.
      Case Studies
      CyanConnode and the FG25 Sub-GHz SoC are Ready to Take on India’s Smart Metering Challenge
      Case Studies
      Landis+Gyr is Unlocking the Potential of Smart Metering with the FG25
      White Papers
      Wi-SUN Linux Border Router Reference Solution
      Webinars
      Wi-SUN FAN: The Ideal Smart City Connectivity Solution
      1. Kits and Boards

      Wi-SUN Development Kits

      Silicon Labs Wi-SUN Wireless Starter Kits support 868-915 MHz and is an ideal development platform for getting familiar with EFR32 FG12 and MG12 wireless SoCs. The kits provide all necessary tools for developing scalable, secure Wi-SUN IoT Applications. Radio boards supporting other Wi-SUN frequency bands can be ordered separately.

      The Wireless Starter 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.

      Learn More

      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.

      Learn More

      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
      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 ✔ ✔ ✔ ✔ ✔ ✔ ✔

      1. Software and Tools

      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
      • Technical Documentation

        Find Data Sheets, App Notes and More.

      • Wi-Sun Software Reference Documentation

        Develop and prototype smarter. Get to market faster.

      • EFR32FG12 PHY (FAN) Product Certificate
      • EFR32MG12 PHY (FAN) Product Certificate
      • Wi-SUN Alliance


      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.

      1. Applications

      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

      1. Learn About Wi-SUN
      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

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      Also of Interest:
      • Wi-SUN FAN: The Ideal Smart City Connectivity Solution
      • SMC-103: Smart City Network Management in the...
      • Wi-SUN Linux Border Router Reference Solution

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