Understanding Cellular Networks and Routers

This white paper explains the fundamental aspects of cellular networks and the role of cellular routers in industrial applications. It outlines key networking concepts such as network address translation (NAT), access point names (APNs), mobile virtual network operators (MVNOs), and virtual private networks (VPNs). The document describes how cellular routers provide reliable Internet connectivity, especially in remote locations, and emphasizes the complexity of understanding these networking components without a background in networking. By the end of the paper, readers should have a clearer understanding of how to use cellular routers effectively in their industrial applications. Additionally, it covers the benefits and considerations of using both public and private APNs, including security, customization, and compliance requirements. The paper also highlights the significance of public static IP addresses in relation to networking and their impact on accessibility and security in various applications.