Autor: Jerry Huang

The Robustel R5010 Industrial 5G Router is an IP30 device intended for protected installation. It can be positioned near a stronger radio location and linked back to existing network equipment, but it should not be treated as a bare outdoor router. That distinction is more useful than an indoor-versus-outdoor label. A radio placed outside may…

The Robustel EG5200 Edge Computing Gateway provides five Gigabit Ethernet ports that can be configured for LAN or WAN roles. The flexibility is useful only after every port has a named network role and failure effect. The first decision is ownership. Should the edge gateway connect a few nearby assets directly, aggregate a machine cell,…

The Robustel R1320LGe LoRaWAN Gateway is an eight-channel gateway offered for regional LoRaWAN bands including EU868, AU915, AS923 and US915 variants. Antenna selection begins by matching that regional hardware—not by choosing the highest gain number in a catalogue. Gain reshapes the radiation pattern. Height can improve one path and expose another source of interference. Cable…

The Robustel R2120-5G Industrial 5G Router provides five Gigabit Ethernet ports, four of which can supply 802.3af/at PoE. That is valuable when a compact site has several powered endpoints—but five ports are not automatically better than one. Count the equipment that must connect, then decide which network functions the router should own. An external managed…

The Robustel EG5120 Edge Computing Gateway is available in cellular variants that let buyers match the gateway to the site. Some workloads justify 5G; many remain well served by a qualified 4G design. Edge computing changes the WAN workload. Raw machine data may be filtered locally, while software updates, exception images or backlog replay can…

The Robustel R1520LG LoRaWAN Gateway supports external UDP, LoRa Basics Station and LORIOT connections, as well as an embedded ChirpStack option. That flexibility is useful only after the project decides where the LoRaWAN network server (LNS) belongs. Many setup problems come from configuring in the wrong order. A gateway is connected to the internet, a…

The Robustel R5020e 5G eSIM Router combines one embedded eSIM/eUICC with one removable 2FF SIM slot. That makes it useful for global fleets, but it also illustrates a point that is often lost in procurement: eSIM and dual-SIM are not opposite categories. eSIM describes how a subscription profile is installed and managed. Dual-SIM describes the…

Edge describes processing close to assets; fog commonly describes a distributed intermediate layer coordinating multiple edge nodes.

LNS placement decides who operates the LoRaWAN control layer and what remains available when site backhaul fails.

WiFi 6 and 5G are separate shared radio systems; business capacity depends on how both are designed and operated together.