They are rapidly deployable, highly available, reliable, and secure, and are designed specifically for machine-to-machine (M2M) applications. Markets that benefit from these applications include small business, financial, healthcare, and retail. Fully integrated with Cisco IOS Software, the Cisco 819 4G LTE ISRs deliver enterprise-class features, including highly secure data, voice, and video communications to stationary and mobile network nodes across wired and wireless links. The Cisco 819 4G LTE 2.0 M2M is the industry leader to bring enterprise grade wireline like functionality such as Quality of Service (QoS) for cellular, Multi-Virtual Route Forwarding (Multi-VRF), advanced VPN, and Unified Communications solutions over LTE.