However, both of these figures depend on where the devices are, if walls are nearby, how thick the walls are, and various other factors, just as with Wi-Fi and Bluetooth. Zigbee's range falls between 33 and 66 feet, while Z-Wave is 100 feet. The technologies also differ when it comes to how far each device can transmit data. In reality, it is unlikely that your smart home will have more than 232 devices in it, but if you happen to have a mansion filled with smart lights in every room, then you might want to use a Zigbee lighting product instead. More meaningfully, Zigbee also wins when it comes to how many devices (or 'nodes') you can have connected to the same mesh network at once - 65,000, compared to Z-Wave's limit of 232 devices. Samsung GP-U999SJVLGDA 3rd Generation SmartThings Hub, White The slow speeds of Zigbee and Z-Wave doesn't really matter, however, as they are only used to transmit very small amounts of data, like instructions for a device to perform an action, or readings from a sensor. Zigbee wins this one, offering data transfer speeds of between 40 and 250 kilobytes per second, compared to Z-Wave's 10-100kbps.Īlthough this is technically a victory, these speeds are still incredibly slow compared to Wi-Fi and cellular connections, which are generally measured in mbps, with 1mb being 1,000kb. Other differences include the amount of data each technology can transfer at once. Hubs, like this one from SmartThings, work with both Zigbee and Z-Wave Samsung Z-Wave doesn't suffer from Wi-Fi interference because it operates at the lower (and less congested) 800-900MHz frequency range. While this could be a concern for a shared workspace full of smart lights and customer phones and laptops all fighting over the 2.4GHz band, in a regular home interference like this shouldn't be seen as a deal-breaker for Zigbee.
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