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Definition: Z-Wave

A wireless network for controlling lights, heating and air conditioning, appliances, home security and home theaters from Zensys, Inc. (www.zen-sys.com). Z-Wave is designed for low-speed controls such as turning a device on and off or raising or lowering a function, and it operates in a mesh topology. Each Z-Wave device can relay signals from another device for better reception. Working in the unlicensed 902-928 MHz band, Z-Wave devices do not interfere with Wi-Fi and other products that use the 2.4 and 5 GHz bands. See home control network.

A Z-Wave Remote
This high-end NevoS70 remote control from Universal Electronics sends Z-Wave signals to a base station that outputs infrared signals to various A/V components (see RF remote control). The S70 also includes Wi-Fi for viewing Web data, IP cameras and controlling one's own digital media. (Image courtesy of Universal Electronics Inc., www.mynevo.com)

Turn It On and Off
This Minimote remote control (left) from Aeon Labs sends Z-Wave signals to the "smart switch" (right) that is plugged into any AC outlet.