HomeKit Insider Zigbee 4.0 & Suzi Sub-GHz Launch with Guest Genie Peshkova
Nov 18, 2025
In this discussion, Genie Peshkova, Chair of the Zigbee Marketing Product Group and expert in smart home connectivity, shares insights on the groundbreaking Zigbee 4.0 and the launch of the new Sub-GHz brand, Suzi. They explore Zigbee 4.0's goals for improved security and smart energy management, as well as the technical highlights like sleepy-device polling. Genie also details how Suzi aims to enhance long-range mesh networking and its coexistence with existing Zigbee devices, all while highlighting the future potential of smart home technology.
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Zigbee 4 Focuses On Energy And Security
- Zigbee 4.0 emphasizes harmonizing Zigbee with smart energy systems for tighter energy management.
- The update adds stronger security aligned to international regulations like the EU Cybersecurity Resilience Act.
Sub-GHz And Sleepy-To-Sleepy Improvements
- Zigbee 4 adds Sub-GHz support (EU 800MHz and NA 900MHz) and features like coordinated sampled listening for sleepy-to-sleepy links.
- These changes extend range, improve reliability, and reduce battery drain for constrained devices.
Suzi Brings Sub-GHz Mesh For Outdoors
- Suzi is a new brand for Zigbee Sub-GHz mesh targeting long-range outdoor and commercial uses.
- Suzi devices may be branded alongside Zigbee when both stacks exist on a product.