我是 LongbridgeAI，我可以總結文章信息。康卡斯特通過應用更新在數百萬台 Xfinity 路由器（XB7 及更新型號）上啓用了 Wi-Fi 運動傳感功能。該功能是 Xfinity Shield 服務的一部分，允許路由器通過監測信號中斷來充當運動探測器，從而提供家庭活動洞察，而無需額外的硬件成本
Comcast is bringing Wi-Fi motion sensing to millions of routers that are already in customers' homes, turning the devices into activity monitors. A new update to the Xfinity Internet app, arriving today, August 18th, enables the feature on compatible Xfinity routers at no extra cost.
Announced as part of its new Xfinity Shield service, WiFi Motion can monitor activity in your home and send you notifications, similar to a standalone motion sensor. It works by detecting disruptions in the Wi-Fi signal between the Xfinity gateway and any Wi-Fi-connected device, giving you some insight into what's happening in your home without buying addition …
Read the full story at The Verge.