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Showing posts with the label First Alert ZCOMBO

Adding a Nortek Z-Wave/Zigbee USB dongle

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Purchased online for $50, the Nortek Z-Wave/Zigbee USB dongle seems like the easy way to add Z-Wave and Zigbee functionality to Home Assistant.  What is Z-Wave? It uses radio wave frequencies to connect to each other, in the 800-900 MHz range. This means it's not going to interfere/be interfered with, from your wi-fi network (running either on 2.4 or 5GHz). The Z-Wave devices can (but not all do) repeat signals, creating a Z-Wave mesh. It's limited to 232 devices, which is plenty for my purposes, but allegedly opening up to more as time goes on. What is Zigbee? It is similar, but uses the 2.4GHz range. Zigbee devices can also create a mesh, but due to a multitude of different implementations, one Zigbee device may not link to another brand's Zigbee device. Zigbee send messages faster, and can have 65,000 devices on the network...which seems like overkill. To Choose, or Not to Choose Rather than pick one, and be limited to one type of device - the USB dongle seems like a fai...