Autor: Jerry Huang

LoRaWAN range belongs to the site design, not to one distance printed beside a gateway.

A 5G backup router is only useful when failure detection, routing, VPNs and business applications recover as a designed sequence.

An NPU rating does not prove that a machine-vision workload will meet its production timing, thermal or accuracy requirements.

LoRa describes the radio modulation; LoRaWAN defines the network architecture and device communication rules built above it.

A rugged 5G router should be purchased against a documented operating envelope and an acceptance plan, not a wide-temperature headline.

CPU, RAM and storage numbers become useful only after the local workload and field topology are defined.

LoRaWAN and NB-IoT solve long-range sensor connectivity through different ownership and infrastructure models.

The Robustel R5020 Industrial Dual-SIM 5G Router illustrates the practical difference between an industrial cellular router and a home router: the industrial product is designed around installation conditions, wired equipment, WAN recovery and remote fleet operation, while a home router is normally chosen to provide convenient internet and Wi-Fi within an occupied building. That distinction…

The Robustel R1320LGe LoRaWAN Gateway fits IoT sensor networks where many distributed devices send relatively small amounts of data over LoRaWAN and the gateway forwards that traffic to ChirpStack. Wi-Fi solves a different problem: it is better suited to devices that need substantially more bandwidth and can normally tolerate the power and access-point architecture that…

The Robustel R2110 5G RedCap Router shows why choosing between 5G RedCap and full 5G should be treated as workload right-sizing rather than as a simple speed comparison. RedCap provides a reduced-capability 5G option for connected equipment that does not require the complete broadband capability of conventional full 5G, while full 5G remains better suited…