The Verge
Technology
Comcast Enables Wi-Fi Motion Sensing on Xfinity Routers
Comcast is updating Xfinity gateways to function as free home motion detectors.
Added 8/18/2026

Comcast has begun turning its Xfinity hardware into active motion detection devices. According to The Verge, this functionality utilizes Wi-Fi signals to identify physical activity within a living space.
The new motion-sensing capability is being provided to users at no additional cost. Subscribers with compatible Xfinity gateways will see this feature enabled automatically on their home networking equipment.
Ultimately, this update transforms standard internet routers into functional home security sensors without requiring additional hardware installation.
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