January 2018
Intermediate to advanced
524 pages
13h 33m
English
Content preview from Internet of Things for Architects
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Z-Wave overview
Z-Wave's design center is home and consumer lighting/automation. It is intended to use very low bandwidth for communication with sensors and switches. The design is based on the ITU-T G.9959 Standard at the PHY and MAC level. The ITU-T G.9959 is the International Telecommunications Union specification for short-range narrow-band radio-communication transceivers in the sub-1 GHz band.
There are several bands in the sub-1 GHz range that are used for Z-Wave depending on the country of origin. In the US, the 908.40 MHz center frequency is the standard. There are three data rates that Z-Wave is capable of with varying frequency spread for each:
- 100 Kbps: 916.0 MHz with a 400 KHz spread
- 40 Kbps: 916.0 MHz with a 300 KHz spread ...
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