Comcast is activating Wi-Fi motion sensing on millions of routers already installed in customer homes, converting the devices into activity monitors without requiring any new hardware. The capability, called WiFi Motion, launched August 18th through an update to the Xfinity Internet app as part of the company's new Xfinity Shield service, available at no additional charge to customers with compatible equipment. The technology detects disruptions in Wi-Fi signals between the Xfinity gateway and connected devices, sending notifications similar to standalone motion sensors.
The feature works on advanced gateways, specifically the XB7 model or newer versions, and operates on an opt-in basis that users can toggle through the app. Customers can choose from three operational modes in the Xfinity app: Home Watch, Away Watch, and Dark Watch, which functions as a night or sleep mode, allowing users to enable or disable sensing based on their activities. Xfinity Shield also includes a new advanced security feature protecting devices from online threats like malware and phishing attacks, plus enhanced parental controls, all provided free to customers.
Kohposh Kuda, SVP of consumer products at Xfinity, told The Verge the company spent three years refining the algorithms behind WiFi Motion and addressing irregularities that plagued earlier versions of Wi-Fi sensing technology. The company now feels confident customers can rely on the capability for motion detection and basic security in their homes, according to Kuda. While Xfinity doesn't view the technology as a replacement for traditional security systems with cameras and physical motion sensors yet, Kuda states it delivers an adequate level of security protection for the average household.
Wi-Fi motion sensing has existed for several years but only recently achieved the accuracy and reliability needed for widespread adoption, according to the report. Linksys introduced a similar service in 2021 but discontinued it a few years later, while lighting company Wiz launched Wi-Fi-sensing smart bulbs in 2023 and Philips Hue deployed comparable radio-frequency sensing technology using Zigbee instead of Wi-Fi. Customers seeking more robust security can subscribe to Xfinity Shield Select for $15 monthly, which includes an indoor camera with AI-powered smart alerts for people, pets, vehicles, and packages, plus a door or window sensor, cloud video storage, and 24/7 urgent response service.
Comcast views WiFi Motion as a foundation for more advanced applications beyond home security, including solutions for aging in place. The company has larger ambitions for the technology, with Kuda describing it as the groundwork for what they believe they can accomplish with more sophisticated use cases. Several companies are developing solutions in this emerging space, including ADT, which recently acquired Origin Wireless, one of the pioneering Wi-Fi motion sensing firms. For providers navigating the balance between user convenience and privacy concerns, the success of motion sensing as a standard feature will likely hinge on how transparently companies communicate what data flows through their networks and who controls access to it.