
Delta DX‑3021L9 IIoT Router / 4G Router
PRODUCT PARAMETERS
- Industrial IIoT router with universal 4G LTE, 3G, and 2G support
- Dual SIM standby for seamless network continuity
- Supports MODBUS TCP/ASCII/RTU, Mitsubishi MC, and Siemens TCP protocols
- Multiple interfaces including RS‑485, RS‑232, and four LAN ports with built‑in digital I/O and advanced network functions
Description
PRODUCT FEATURES
The Delta DX‑3021L9 is an industrial‑grade IIoT router designed to enable reliable cloud‑connected data acquisition and remote device management.
It supports standard industrial protocols including MODBUS TCP, MODBUS ASCII/RTU, Mitsubishi MC, and Siemens TCP for seamless communication with automation equipment.
Built with universal LTE‑FDD and LTE‑TDD 4G bands, the router remains backward compatible with 3G and 2G networks and delivers up to 150 Mbps downstream and 50 Mbps upstream data speeds.
Dual SIM dual standby technology enables automatic switching between cellular operators without restarting, ensuring uninterrupted connectivity.
The DX‑3021L9 integrates RS‑485, RS‑232, and four LAN ports, allowing multiple devices to connect and interact within industrial networks.
Enhanced features include built‑in digital I/O for event triggers, email alert settings, firewall protections, automatic APN matching, and NTP time synchronization for accurate device timing across distributed systems.
FAQs
As a trade-and-manufacturing integrated company, we offer a full range of Delta power supplies, including switching power supplies, industrial power modules, and DC regulated power supplies, suitable for industrial automation and various electronic equipment.
Yes. We provide customized solutions based on customer requirements, including voltage, power, and functional extensions, with professional technical support to ensure feasibility.
We ship via reliable logistics and courier services, offering full tracking to ensure the products reach customers safely and on time.
The process is simple: select the model → submit requirements → confirm the solution → arrange payment → delivery and technical guidance. We provide full support to ensure each step is completed smoothly.
We provide original manufacturer warranty, spare parts supply, operation guidance, maintenance, and troubleshooting services to ensure Delta power supplies operate stably and reliably.







