Net Join IoT - Nengjia New Energy

Gateways for the field,built to stay connected.

Rugged IoT gateways, routers and RTUs for smart cities, industrial automation, energy and outdoor infrastructure. From model selection to project delivery.

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5G / 4G
Cellular backhaul
RS485 / LAN
Device integration
OEM / ODM
Project customization
Net Join IoT 5G gateway with external antenna

Supported networks and protocols: 4G, 5G, Wi-SUN, LoRaWAN, Sigfox, NB-IoT, ZigBee and WiFi.

From field to cloud.

  1. Collect

    Connect meters, PLCs and sensors through LAN, RS485 and digital I/O, according to the selected model.

  2. Convert

    Handle protocol access and transparent transmission so field equipment can reach modern platforms.

  3. Connect

    Send data over 5G or 4G to cloud platforms, SCADA systems or private servers, with remote O&M.

Find your gateway.

Narrow the range by network, interface and site. Filters update the list as you choose.

Network
Interface
Site

No exact match in this range.

Tell us what you need to connect. Our engineers will recommend a model or a custom configuration.

Request a recommendation

Filters use available model documentation. Some models have unconfirmed attributes and may not appear in filtered results. Confirm final specifications with engineering.

Start with the site, not the spec sheet.

Gateways for smart pole cabinets, lighting nodes, cameras and municipal edge devices.

Built for diverse deployment conditions.

Core options for cellular gateway projects. Final selection depends on network, interfaces and installation requirements.

Gateway capabilities by model
Product typeIndustrial IoT gateway, 5G gateway, 4G IoT controller, RTU and smart pole gateway series
Cellular network5G / 4G LTE options by model; SIM slot available on selected models
EthernetWAN / LAN / multi-LAN / SFP options by model
Serial and I/ORS485, digital input, digital output and analog input options by model
Power inputConfirm voltage by variant on selected 4G controller models; other power ranges available by model
Operating temperatureWide-temperature options available by model; confirm the final value with the datasheet
InstallationWall mount / cabinet mount; DIN rail options available by project
CustomizationLogo, product label, interface configuration, firmware settings and OEM / ODM cooperation available by project
Request data sheetAsk for model selection

Project-ready hardware, not generic catalog parts.

  1. 01Project fit first

    Select hardware based on network, interfaces, devices and installation environment.

    Find your gateway →

  2. 02Engineering-led support

    Discuss documentation, protocols, firmware behaviour and configuration with a technical team.

    Talk to our engineers →

  3. 03Deployment-ready options

    Practical hardware for cabinet, wall, DIN rail and outdoor installation requirements.

    See installation options →

  4. 04Customization available

    Request logo, label, port map and firmware options for qualified project orders.

    Ask about OEM / ODM →

A hardware partner with fielded proof.

Founded in 2018 in Xiamen, China, Net Join IoT (Xiamen Nengjia New Energy Technology Co., Ltd.) builds industrial IoT gateways, smart terminals and cloud-platform solutions.

2018Founded in Xiamen
69Intellectual property rights
600000+Outdoor IoT node operation experience
Map of Net Join IoT projects across global markets
PCB production line
Production line
Product certificates and test reports
Certification

Tell us about your project.

Share your network, interfaces and installation requirements. We will reply with a clear engineering recommendation.

Email: laiyonghao@xmnengjia.com
WhatsApp: +86 15260824722

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