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Both ZigBee and Z-Wave are two of the most renowned standards for 802.15 networks. They also feature intelligent mesh networking, so that you can add more devices for a better control. Similar to Z-Wave, ZigBee is a wireless technology that is gaining acceptance gradually amongst home automation fans. Although both short-range wireless technologies are meant for remote control and monitoring, they differ in terms of specifications and applications.

Hardware and Software

ZigBee chipsets are produced by several silicon vendors, while Z-Wave ones come only from one manufacturer, Sigma Designs. In case of software, the gap is even more. ZigBee software has maximum vendors, as big silicon manufactures produce their own software for customers.

Technically, ZigBee works on 802.15.4 radio standard for communication between master/slave nodes on mesh and star setups. It also overlap with Wi-Fi and Bluetooth to trigger interference in presence of several wireless connections.

On the other hand, Z-Wave as a novel G.9959 standard works with 908.42 MHz in the United States. It boasts a small range at Bluetooth levels. Further, Z-Wave implements the Sub-1GHz approach for a superior range than the ZigBee’s 2.4GHz approach. Because Sub-1GHz automation needs separate SKUs as per the region, there is no universal solution as in case of ZigBee. While Z-Wave relies on frequency-shift keying (FSK) modulation, ZigBee uses direct sequence spread spectrum (DSSS) for a more robust modulation.


Network Nodes

Further, ZigBee devices have more memory options, up to 32KB RAM and 512KB of Flash from a few silicon providers, which allow them to tackle more nodes. In case of Z-Wave, it is 2KB and 32KB, respectively. Therefore, the number of nodes supported with a Z-Wave product is 232 theoretically and 10 practically. However, the same figures in case of a single ZigBee network goes up to 65,000 and 50, respectively. 


Interoperability

Well, this is where Z-Wave wins the battle! A majority of ZigBee chipset providers are royalty free and are open for changes and evaluation. This means that you may have two ZigBee devices on a mesh network but they may be unable to communicate because of their different languages.

However, Z-Wave is not open; it is licensed with Sigma Designs and can operate on their silicon receivers only. Further, it has some standard modules to be built into any products of other manufacturers, thus, making Z-Wave least flexible in terms of making products. Well, this is a boon for the customers because the same protocol applicable to every device makes Z-Wave devices interoperable. This means that any type of device can talk with any other device using the precise Z-Wave frequencies. From the user’s point of view, Z-Wave is more flexible than ZigBee.


Applications

In short, Zigbee is not recommended for new automation customers, unless they use devices of the same manufacturer only.

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Think before you invest your hard earned money in Wi-Fi Automation systems just because you get it cheap!!!

In Wi-Fi based automation systems the devices and sensors connect directly and independently with your home router. They don’t have any hub or master control system. Whereas in Z wave automation systems, the devices and sensors connect to a control hub through their own internal communication system.  

Wi-Fi Based Systems
  • Australia: 921.42 MHz
  • China: 868.42 MHz
  • Europe and South Africa: 868.42 MHz
  • India: 865.22 MHz
  • Japan: 951-956 MHz
  • Hong Kong: 919.82 MHz
  • Malaysia: 868.10 MHz
  • New Zealand: 921.42 MHz
  • Singapore: 868.42 MHz
  • UAE: 868.42 MHz
  • USA/Canada: 908.42 MHz
  • Brazil: 908.42 MHz
So think before you purchase some other country devices unknowingly as that would be illegal in India !!
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Features
  • Components Designed, developed and manufactured in Europe
  • Based on international standards for home automation by global alliance: mesh/multi hop wireless Zwave Technology
  • Based on International Standards for Security with additional S2 Security Layer
  • Range of Sensors for expansion available due to approx 700 companies making various devices of same technology.
  • A Closed Loop system true automation and control system
  • No effect on your Wi-Fi bandwidth
  • Retrofit
  • Integrated platform for Lighting, Security, Camera, Intrusion, Audio Video and climate control
  • Brick based Modular Scalable system
  • Real time status feedback
  • Supports multiple locations/floors/homes
  • Integrates with Alexa
  • App can be locked and is PIN activated
  • Additional layer of PIN enabled control to Deactivate the intrusion system or access to any sensitive device
Advantages
  • Topmost quality, reliability and longevity of the hardware
  • Highly secure, robust, reliable, interoperable, faster response, overcomes any range issues and availability of approx 2000 type of Z wave devices from 700 companies
  • Highly secure network with multilayer of authentication levels
  • Switches, Dimmers, RGB Controller, Curtain Controllers, Door, Flood, Smoke, Motion, Temperature, Lux, Earthquake, Key fobs, Scene Controllers, Direct access devices
  • Faster and better management of home devices. Will keep on working and keep your home safe even if your home router/Wi-Fi/Internet is down
  • Keep on enjoying your Wi-Fi bandwidth unlike Wi-Fi based systems which divides your bandwidth each time you add a device
  • No changes in home wiring
  • Single platform to control multiple devices
  • Keep on adding devices as you go. Design per your budget. Add up to 232 devices
  • You know what’s the current status of your home
  • Intuitive, coloured and use friendly graphic interface for android and iOS
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Think before you invest your hard earned money in Wi-Fi Automation systems just because you get it cheap!!!

In Wi-Fi based automation systems the devices and sensors connect directly and independently with your home router. They don’t have any hub or master control system. Whereas in Z wave automation systems, the devices and sensors connect to a control hub through their own internal communication system.  

Wi-Fi Based Systems
  • Based on home router as the hub working in a sharing mode with other home devices like mobiles, laptops etc.
  • Entire system comes down if router fails
  • If Wi-Fi password or router is changed anytime you will need to re-integrate devices with router the way you have to do for your mobile or laptop. A BIG PAIN!!
  • You will have to think ten times if you need to change your Wi-Fi password or upgrade the router due to hassles involved of reintegration.
  • Router is not a controller, hence cannot manage the devices, polling and health checkups. It merely sends the messages around.
  • Susceptible to High interference and loss of data due to sharing of other data like videos, media, internet browsing on same network as also Bluetooth, cordless phone using same frequency
  • Very slow response and feedback due to queue system followed by router to pass the messages, high traffic and bandwidth sharing by all the home devices.
  • Bandwidth division: adding of each device to router divides the bandwidth to half which results in slower browsing speed. 02 Devices added leaves 50% for each home device. 10
Z Wave Based Systems
  • Have its own Control Hub and an independent network
  • Will keep on working and keep your home safe even if your home router/Wi-Fi/Internet is down
  • No such issue. The system functioning doesn’t depend upon the router. So no such effort needed in case you change your password or upgrade your router.
  • No such issue. Go ahead anytime without any thoughts!!!
  • A true automation and control system with its own device management systems in place.
  • No such issue
  • Very fast response due to dedicated communication and control system
  • Very fast response due to dedicated communication and control system
  • Highly secure as this cannot be sniffed as there is no network ID broadcasted.
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