Auteur : Jerry Huang

The Robustel R1520LG LoRaWAN Gateway can be used as a building block in resilient LoRaWAN site architectures because it provides documented Ethernet, Wi-Fi and cellular connectivity together with RCMS-based device management. Overlapping radio coverage, independent power and independent backhaul are deployment properties rather than built-in guarantees of the gateway. Redundancy only improves availability when radio,…

The Robustel R5020 Industrial 5G Router fits connected-vehicle deployments that need 5G/LTE backhaul, onboard Ethernet and Wi-Fi, optional GNSS and vehicle-oriented installation options. But selecting a vehicle router requires more than checking cellular speed: power behaviour, antenna placement, route coverage, traffic separation and remote fleet operations must all work through the vehicle’s complete duty cycle….

The Robustel EG5200 edge computing gateway can support edge-HMI architectures where a validated visualization application runs close to industrial equipment and can serve local or networked users. A traditional HMI and an edge HMI solve different operating problems, however, and the best fit depends on which operator must retain visibility when the WAN, local network…

A LoRaWAN coverage gap does not automatically mean that a repeater—or another gateway—is required. The first task is to identify why the endpoint is difficult to reach. For projects using the Robustel R1520LG LoRaWAN Gateway, an additional gateway creates another independent LoRaWAN receiving point with its own IP backhaul. A standards-based LoRaWAN Relay addresses a…

The Robustel R5020-Lite Industrial 5G Router supports IPsec, OpenVPN and WireGuard, making it suitable for several industrial VPN architectures. The best protocol is not universal: site-to-site networking, remote engineering access and large cellular fleets place different demands on interoperability, NAT traversal, performance and credential management. A factory and a remote engineer can both say: We…

Two products carrying the LoRaWAN name are not automatically ready to work together. The Robustel R1520LG LoRaWAN Gateway can receive and forward LoRaWAN traffic within its supported regional and protocol configuration, but a successful deployment still depends on matching the sensor’s regional band, LoRaWAN configuration, activation credentials, Network Server and payload-processing workflow. Consider a system…

The Robustel R5020 Industrial 5G Router fits industrial and distributed-site architectures that need 5G connectivity together with firewall, VPN, access-control and centralized management capabilities. But no router can make a deployment secure by itself: buyers should verify how identity, network boundaries, software integrity, monitoring and lifecycle controls work together before approving a device for production….

The Robustel EG5120 edge computing gateway can fit OPC UA-oriented IT/OT architectures where selected industrial data needs to be collected, processed and published from a controlled edge layer. The buyer’s priority should not be whether a gateway merely “supports OPC UA,” but how namespaces, certificates, network reachability, buffering and lifecycle responsibilities prevent the integration from…

LoRaWAN encryption is only one layer of an enterprise gateway security design. A Robustel R1520LG LoRaWAN Gateway also connects to IP networks, an LNS, remote-management services and administrative interfaces, so security must cover the gateway and its operating lifecycle as well as the LoRaWAN radio protocol. Consider a manufacturer rolling out LoRaWAN sensors across 40…