What is Wi-SUN? The Wireless Network Behind Smart Cities @Circuitdigest
What is Wi-SUN? The Wireless Network Behind Smart Cities  @Circuitdigest
Uploaded May 2026 | Updated September 2026, 2 weeks ago
At Electronica 2026, we visited the Silicon Labs booth to explore a wireless networking technology that was completely new to us - Wi-SUN.

πŸ“– Full article on CircuitDigest: circuitdigest.com/interview/wi-sun-explained-wireless-mesh-network-smart-cities

While most engineers are familiar with BLE, Zigbee, Matter, Thread, and LoRa, Wi-SUN is a protocol specifically designed for large-scale outdoor mesh networking applications such as:
β€’ Smart Metering
β€’ Smart Cities
β€’ Street Lighting
β€’ Grid Automation
β€’ Industrial IoT

In this video, the Silicon Labs team walks us through:
β€’ What Wi-SUN actually is
β€’ How Wi-SUN mesh networking works
β€’ FFN vs LFN nodes
β€’ Self-forming and self-healing networks
β€’ Low power operation
β€’ Real-world smart city deployments
β€’ Wi-SUN vs LoRa and Matter
β€’ Silicon Labs Wi-SUN development ecosystem

We also got to see a live Wi-SUN demo running on Silicon Labs hardware using the EFR32FG28 platform. Special thanks to the Silicon Labs team for taking the time to explain the technology and demonstrate the live setup.



#WiSUN #IoT #EmbeddedSystems #SmartCity #SiliconLabs #LoRa #Matter #MeshNetworking #WirelessCommunication #CircuitDigest

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What is Wi-SUN? The Wireless Network Behind Smart Cities

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