IEEE 802.11bf: "Wi-Fi Sensing" as a Standard
IEEE 802.11bf is the revolutionary amendment that turns Wi-Fi signals into a Sensing Tool. By 2026, your router is no longer just for data; it is a "radar" that understands your environment.
Gesture and Presence Detection: 802.11bf measures "Channel State Information" (CSI). It can detect a person entering a room, track gestures for smart-home control, or even monitor the rise and fall of a human chest to track breathing rates—all without using cameras.
Privacy-First Security: Because it uses RF signals rather than video, 802.11bf provides home security and healthcare monitoring without invading privacy. It can detect a "fall" in a senior living facility and alert staff without ever recording a single image.
Interoperability: Unlike earlier proprietary Wi-Fi sensing, the 802.11bf standard ensures that a TP-Link router can "talk" to a Philips Hue lightbulb or a Google Nest thermostat to trigger automations based on movement.