The ICR-4103 is a high-performance, industrial grade, 4G-LTE cellular router which is designed to offer fast connectivity over cellular networksfor industrial applications. ICR-4103's Ethernet ports can allow up to 3 Ethernet devices to link to the cellular network. It provides dual SIM cardslots and one Ethernet WAN port which can automatically re-connect and auto-switch to offer cellular network redundancy and ensureuninterrupted connectivity. The ICR-4103 cellular router is integrated with WAN, LAN, SIM, VPN, Firewall, built-in DI/DO and Serial port services.In addition, ICR-4103 uses the highest level of industrial grade design for connection in the most demanding environments and is an idealsolution for Industrial Internet of Things (IIoT) and M2M (Machine-to-Machine) applications, such as remote control and monitoring, busticketing collection system, CCTV, SCADA, digital signage, kiosk and intelligent traffic systems