思科500系列WPAN工业路由器(US)介绍：
Cisco 500 Series Wireless Personal Area Network (WPAN) Industrial Routers (IR500) provides unlicensed 915 MHz industrial, scientific, and medical (ISM) band WPAN communications. They help to enable a diverse set of Internet of Things (IoT) applications. These include smart metering, smart grid, distribution automation, supervisory control and data acquisition (SCADA), and street lighting.