If there’s any kind of smart home device in your house, there’s a very good chance that it communicates using Z-Wave. The protocol is oriented to the residential control and automation market and designed specifically for low power and low data rate communication, making it ideal for battery powered devices. Todd and Jamie find out more on this largely unknown wireless technology from Mitchell Klein, Executive Director for the Z-Wave Alliance.
Develop in the early 2000s, Z-Wave is now supported by over 300 manufacturers producing over 1500 certified devices for the smart home, from simple door switches and sensors to central heating and security systems. Operating in the 900 MHz frequency, Z-Wave has a theoretical range of 100 m, but typically this is much reduced by the density of building construction materials. However, unlike Wi-Fi and Bluetooth, Z-Wave uses a mesh network with devices acting is intermediary nodes, passing on messages. Consequently, interoperability is key to Z-Wave and all Z-Wave devices will work with other Z-Wave devices.
Mitchell talks about the current state of the Z-Wave market and discusses some of the future possibilities for the technology, including interacting with systems like Amazon Echo.
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