Cisco ISR 1100 4 Port Dual GE LTE LA with DNA SupportCisco 1000 Series Integrated Services Routers Figure 1. Cisco 1000 Series Integrated Services Routers The Cisco 1000 Series Integrated Services Routers (ISR 1000 Series) portfolio has been steadily expanding over the years to provide our customers with the flexibility they need. The ISR 1000 Series combines routing, switching, Wi Fi, integrated security, and DSL and LTE uplink connectivity options in a single, lightweight, high performance device.