Remote PLC and HMI access is essential for modern industrial automation. This article explains how industrial cellular routers enable secure remote maintenance through VPN, firewall policies, NAT configuration, and reliable cellular connectivity. Learn best practices for connecting PLCs, HMIs, and industrial devices without exposing automation systems directly to the internet.

Can a low-resource LTE router with only 16 MB of flash and 64 MB of RAM reliably support OpenWrt and WireGuard? This article explores the hardware limitations of entry-level routers, including flash storage, memory, CPU performance, VPN encryption, and long-term stability. It also provides practical deployment advice, testing recommendations, and common failure scenarios. Finally, it compares the Wavetel IoT WR143 and WR255 industrial routers as reliable alternatives for indu

Choosing the right router for a remote industrial site is more than just getting Internet access. This article explains the key differences between consumer 4G routers and industrial 4G/5G routers, covering reliability, remote management, VPN security, dual SIM redundancy, watchdog recovery, and applications such as PLC, HMI, SCADA, solar, utilities, and IoT deployments.

AI is transforming technical support, making documentation and routine troubleshooting faster than ever. However, industrial router deployments involve far more than standard configuration questions. Real-world IIoT environments are influenced by cellular networks, VPNs, SIM management, signal quality, firmware, power stability, and on-site conditions that require engineering judgment.

Índice ¿Qué es eSIM? Antecedentes de desarrollo y tendencias de la industria de eSIM 2.1 Limitaciones de las tarjetas SIM tradicionales 2.2 El surgimiento de eSIM Principio de funcionamiento y arquitectura tecnológica de eSIM 3.1 Componentes principales de eSIM 3.2 Descripción del flujo de trabajo Comparación entre eSIM y tarjetas SIM tradicionales Principales escenarios de aplicación de eSIM 5.1 Electrónica de consumo 5.2 Aplicaciones IoT y M2M 5.3 Internet Industrial (Indus

Índice Introducción: Por qué China se ha convertido en una fuente importante de routers industriales Entendiendo los routers industriales en aplicaciones IoT y M2M 2.1 El papel de los routers industriales en la arquitectura del sistema IoT/M2M 2.2 Diferencias esenciales entre routers de grado industrial y dispositivos de consumo 2.3 Escenarios típicos de aplicación de routers industriales IoT y M2M Criterios clave de evaluación para elegir fabricantes chinos de routers indust