ZigBee is based on the IEEE's 802.15.4 personal-area network standard. All you need to know is that ZigBee is a specification that's been around for more than a decade, and it's widely considered an alternative to Wi-Fi and Bluetooth for some applications including low-powered devices that don't require a lot of bandwidth - like your smart home sensors.
https://www.pocket-lint.com/smart-home/news/129857-what-is-zigbee-and-why-is-it-important-for-your-smart-home
ZigBee is based on the IEEE's 802.15.4 personal-area network standard. All you need to know is that ZigBee is a specification that's been around for more than a decade, and it's widely considered an alternative to Wi-Fi and Bluetooth for some applications including low-powered devices that don't require a lot of bandwidth - like your smart home sensors.
https://www.pocket-lint.com/smart-home/news/129857-what-is-zigbee-and-why-is-it-important-for-your-smart-home
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