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.
Hardware
Wi-SUN Wireless SoCs
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| Wi-SUN Certified | MCU Core | Frequency Range (MHz) | Flash (kB) | RAM (kB) | Max Output Power (dBm) | GPIO | Security | Peak RX Sensitivity | |
|---|---|---|---|---|---|---|---|---|---|
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EFR32FG12 Series 1 Sub-GHz and 2.4 GHz SoCs
Sub-GHz and 2.4 GHz
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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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Watch on Demand
Wi-SUN FAN: The Ideal Smart City Connectivity Solution
In this on-demand panel, we will explore Wi-SUN FAN's numerous technical, performance, and reliability benefits compared to other LPWAN solutions.
Learn More about the Applications Powered by Wi-SUN Technology
Wi-SUN Wireless Starter Kit
A Wi-SUN Wireless Starter Kit (SLWSTK6007A) with 868-915 MHz Radio Boards (BRD4170A) is an excellent starting point to get familiar with the EFR32 FG12 and MG12 Wireless System-on-Chip solutions. It provides all necessary tools for developing Wi-SUN wireless applications.
Wi-SUN Wireless Starter Kit
A Wi-SUN Wireless Starter Kit (SLWSTK6007A) with 868-915 MHz Radio Boards (BRD4170A) is an excellent starting point to get familiar with the EFR32 FG12 and MG12 Wireless System-on-Chip solutions. It provides all necessary tools for developing Wi-SUN wireless applications.
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 Wireless Starter Kit
A Wi-SUN Wireless Starter Kit (SLWSTK6007A) with 868-915 MHz Radio Boards (BRD4170A) is an excellent starting point to get familiar with the EFR32 FG12 and MG12 Wireless System-on-Chip solutions. It provides all necessary tools for developing Wi-SUN wireless applications.
Wi-SUN Wireless Starter Kit
A Wi-SUN Wireless Starter Kit (SLWSTK6007A) with 868-915 MHz Radio Boards (BRD4170A) is an excellent starting point to get familiar with the EFR32 FG12 and MG12 Wireless System-on-Chip solutions. It provides all necessary tools for developing Wi-SUN wireless applications.
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 |
| 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 | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
Software and Tools
Wi-SUN Software Development
Silicon Labs Wi-SUN SDK includes industry-leading software stacks and development tools for Wi-SUN applications. 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 |
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Resources
Wi-SUN Technical Library
Access to Data Sheets, App Notes, and more.
Wi-SUN API Documentation
Find Wi-SUN API documentation.
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).
BENEFITS
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 |
|
| Open standards | Based on IEEE, IETF and other open standards |
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| Global solution | Unlicensed bands: 2.4 GHz, sub-GHz (dominant) |
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| Radio options | FSK and OFDM modulations |
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| Throughput | 50 kbps to 2400 kbps |
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| Application Types | High/low throughputs at low power |
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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.