Resilient and interoperable standards-based Sub-1 GHz mesh solution for global frequency bands.

What is Wi-SUN?

Within smart grid and smart city applications, a long-range, reliable mesh topology is critical when creating a robust wide area network that is more immune to interference than other topologies. A self-healing mesh network provides added network redundancy. Our Wi-SUN® solutions include our pin-to-pin compatible wireless MCU family that enables low-power, cost-effective communication for large-scale outdoor networks with thousands of nodes.

Wi-SUN portfolio by memory & use case



Standards-based connectivity

Wi-SUN is an open-standard protocol (IEEE 802.15.4) driving unification in the market. We are a Wi-SUN Alliance member, with interoperable solutions, royalty-free software and multi-layer security.


Certified Wi-SUN stack

Leverage our Wi-SUN software to implement a mesh network with frequency hopping that globally supports license free sub-1 GHz frequency bands to easily certify and deploy your end product.


Grid infrastructure & more

The Wi-SUN protocol is suitable for applications that require a high data throughput, high node count and self-healing mesh capabilities such as connected smart meters and smart street lighting.

Getting started

Wireless Smart Utility Network (Wi-SUN) technology supports multiple data rates and frequency bands to meet different regulatory requirements worldwide. Applications include smart grid and smart cities, with certified products enabling multivendor interoperability.

To get started with Wi-SUN, we recommend watching this video and following these steps:

Product overview
TI Wi-SUN® FAN Stack - Software Overview (Rev. A)
The "TI Wi-SUN FAN Stack – Software Overview" describes the Wi-SUN software content available from TI, as well as our support ecosystem.
Four Questions to Ask Before Choosing a Wi-SUN Stack
Here are four important questions to ask before choosing a Wi-SUN stack.
How Wi-SUN FAN Improves Connected Infrastructures
Learn about the benefits Wi-SUN brings to utilities, equipment manufacturers and end users.
Featured products for Wi-SUN
NEW CC1354P10 ACTIVE SimpleLink™ Arm® Cortex®-M33 multiband wireless MCU with 1MB flash, 296KB SRAM, integrated power amp
CC1352P7 ACTIVE SimpleLink™ Arm® Cortex®-M4F multiprotocol sub-1 GHz and 2.4-GHz wireless MCU integrated power amp
CC1312R ACTIVE SimpleLink™ 32-bit Arm Cortex-M4F Sub-1 GHz wireless MCU with 352kB Flash