The Cisco 881 Ethernet Security Router with Advanced IP services (CISCO881-SEC-K9) represents a unified solution catering to small businesses and remote branches, delivering secure Internet and WAN connectivity. Despite being sold without a power supply ('No PWR'), this device stands out for its comprehensive security suite, including firewall protection, intrusion prevention, VPN support, and advanced encryption methods to secure data transmission. The router comes equipped with four 10/100 Mbps Ethernet LAN ports for connecting local devices, and a fast Ethernet WAN port to connect to the internet. It supports advanced Quality of Service (QoS) features, ensuring priority is given to business-critical traffic. The device runs on Cisco IOS, providing robust, flexible capabilities for routing, security, and network management. With its compact form factor and advanced security features, the Cisco 881 is an ideal choice for businesses looking for a secure, reliable, and efficient networking solution that can support a variety of advanced IP services.