Aeotec Zi-Stick vs Smlight SLZB Ultima

Full Smart Dongles comparison in 2026

Data from Amazon and official Aeotec and Smlight sites.
2026 verdict
For 2026, Smlight SLZB Ultima is the stronger overall choice. The main reason it wins is connectivity, zigbee router, and z-wave controller, and thread border router and dual network strengthens that case. Aeotec Zi-Stick is still relevant if you care most about its specific feature mix, but Smlight SLZB Ultima is the stronger recommendation overall. That is why Smlight SLZB Ultima wins the verdict here.
vs
FeatureAeotec Zi-StickSmlight SLZB UltimaWinner
ConnectivityUSBUSB, Ethernet, 2.4 GHz WifiSmlight SLZB Ultima
Zigbee RouterNOYESSmlight SLZB Ultima
Z-Wave ControllerNOYESSmlight SLZB Ultima
Thread Border RouterNOYESSmlight SLZB Ultima
Dual NetworkNOYESSmlight SLZB Ultima
Bluetooth ProxyNOYESSmlight SLZB Ultima
Zigbee Chip ModelEFR32MG21EFR32MGXX / CC26XXPXDifferent strengths
Warranty1 year1 yearTie
PowerUSBPoETie
Matter BridgeNONOTie

Frequently Asked Questions (FAQ)

Which is better overall: Aeotec Zi-Stick or Smlight SLZB Ultima?
Smlight SLZB Ultima has the stronger overall profile in this comparison, especially for connectivity, zigbee router, and z-wave controller.
What is the biggest difference between Aeotec Zi-Stick and Smlight SLZB Ultima?
Connectivity is one of the clearest differences: Aeotec Zi-Stick lists USB, while Smlight SLZB Ultima lists USB, Ethernet, 2.4 GHz Wifi.
Who should buy Aeotec Zi-Stick?
Choose Aeotec Zi-Stick if your priority is its specific strengths and that matters more than connectivity.
Who should buy Smlight SLZB Ultima?
Choose Smlight SLZB Ultima if your priority is connectivity and zigbee router and that matters more than the competing advantages.
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