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Technologies in comparison

ZigBee und andere GebƤudeautomatisierungstechnologien im Vergleich

Base technologies for building automation

For a better understanding why ubisys decided to use ZigBee Pro we have compared different competing basis technologies for building automation. To allow for an objective and meaningful comparison there is no other way than setting all relevant technical parameters against each other. The technical terms used on these pages are explained in the annotations, just click on the info symbol right beside the term in question.

KNX is the successor to EIB therefore downward compatible making the specific EIB listing obsolete.

ZigBee Pro Z-Wave enOcean KNX-RF KNX-PL KNX-TP
Open standard
yes no yes yes yes yes
second source „throughout”
yes no no no no no
Transmission medium
Air Air Air Air Power line Data line
high moderate low low high very high
Frequency range (radio) 2,4 GHz, 868 MHz1) 868 MHz 868 MHz 868 MHz - -
Data rate (gross)
250 kbps 9.6/40 kbps 120 kbps 16.4 kbps 1.2 kbps 9.6 kbps
Mesh network
yes (AODV, MTOR, SR) yes (SR) no no - -
Acknowledgements & Repeats
L2 & L7 L2?/L7 no (L7) L2 & L7 L2 & L7
AES-128 none2) none none none none
very high none none none low moderate

1) ZigBee also is available for 868 MHz ; ubisys products work in the 2,4 GHz band
2) Only electronic lock systems based on Z-wave are AES-128 encrypted

Standard & Product

In the comparison above the technical possibilities of each standard is evaluated. The application and integration of a particular standard into end devices is always the responsibility of the manufacturer. Often there are significant performance and quality differences within a standard. The range of devices within the same standard and nominally same transmission power often varies quite a bit. The leeway given when a standard is realized has been used by our engineers to design absolutely outstanding products.

Comparison with other systems

For this comparison we only admitted technologies with more than one manufacturer and at least partially standardized. We primarily focused on the european market. The wide spread wireless control systems (such as FS20) sold in hardware stores or at electronics retailers at best are comparable to enOcean or KNX-RF when considering security and application features but most importantly they are not standardized.