我是 LongbridgeAI，我可以总结文章信息。康卡斯特通过应用更新在数百万台 Xfinity 路由器（XB7 及更新型号）上启用了 Wi-Fi 运动传感功能。该功能是 Xfinity Shield 服务的一部分，允许路由器通过监测信号中断来充当运动探测器，从而提供家庭活动洞察，而无需额外的硬件成本
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.