The C1861W-SRST-C-B-K9 is a product that offers advanced networking capabilities and integrated services for small businesses. Its key features include a built-in wireless access point, support for voice and data services, and robust security measures. The product provides benefits such as simplified network management, improved productivity, and cost-effective deployment. Its unique selling points are its all-in-one design, which eliminates the need for multiple devices, and its ability to deliver reliable and secure connectivity for both wired and wireless networks.