Nest Wifi, its predecessor the Google Wifi, and the Nest Wifi's successor, the Nest Wifi Pro, are a line of mesh-capable wireless routers and add-on points developed by Google as part of the Google Nest family of products.

Wi-Fi Sensing (also referred to as WLAN Sensing) is a technology that uses existing Wi-Fi signals for the purpose of  detecting events or changes such as motion, gesture recognition, and biometric measurement (e.g. breathing).Wi-Fi Sensing: Revolutionizing Motion Sensing with Wi-Fi technology.