E Lins
Indoor . 5G SA/5G NSA . Cellular . 5 EH Ports . Wi-Fi 6

H900ff-W6

H900ff IoT Dual Modem 5G Router with Wide Temperature Range
5G technology is the central of future technologies and world’s industries. The E-Lins H900ff series 5G router with Ethernet is a compact, ruggedized 3G/4G LTE/5G cellular networking solution designed for mission-critical connectivity in the most challenging environments. It is qualified for IoT (Internet of Things) and In-Vehicle applications. Super mini size suitable for embedding applications.
Indoor Dual SIM 10/100/1000Mbps Active PoE In/PoE PD Dual SIM/PoE In/PoE Out/eSIM Modbus/DNP3/eSIM
H900ff-W6 • KEY SPECS IN PRODUCTION
H900ff IoT Dual Modem 5G Router with Wide Temperature Range
Network Dual 5G
Form Factor Dual SIM
Integration WiFi6
Enclosure WAN Failover
SIM / Carrier USB | Console
Connectivity Type
5G SA/5G NSA
Network Protocols
MQTT/TCP/UDP/IPv4/IPv6/DNS/HTTP/NTP/ICMP
Features
Dual SIM/PoE In/PoE Out/eSIM
Wi-Fi
Wi-Fi 6

3D Model

Product Gallery

Introduction Video

H900ff Dual Sim Dual 5G Router

5G technology is the central of future technologies and world’s industries. The E-Lins H900ff series 5G router with Ethernet is a compact, ruggedized 3G/4G LTE/5G cellular networking solution designed for mission-critical connectivity in the most challenging environments. It is qualified for IoT (Internet of Things) and In-Vehicle applications. Super mini size suitable for embedding applications.

In addition to the robustness, reliability, security, friendly-using, the H900ff 5G router with Ethernet is competent to be engineered to protect against extreme temperatures, humidity, shocks, vibrations, dust, reverse polarity, and transient voltage, which is widely used in more than twenty industrial fields, such as CCTV security surveillance, AMR, vehicle, retails, vending machines, power control, water schedule, traffic, oil field, weather forecast, environmental protection, street lamp control, post, bank and many other fields.

Reliable Connectivity Anywhere: The Power of Dual SIM Dual 5G Routers 

In the era of digital transformation and mobile-first lifestyles, uninterrupted connectivity is more essential than ever. From remote work and smart cities to logistics and industrial IoT, having access to fast, reliable internet is critical. This is where the dual SIM 5G modem proves invaluable. Designed for resilience, performance, and flexibility, these powerful devices are revolutionizing mobile and industrial connectivity. 

What Is a Dual SIM Dual 5G Router? 

A dual SIM dual 5G modem is a networking device that supports two SIM cards simultaneously and connects to 5G cellular networks for internet access. Unlike traditional single-SIM modems, dual SIM functionality offers redundancy and improved network reliability by enabling the modem to switch between two different mobile carriers. This ensures a continuous internet connection, even when one network is down, congested, or out of range. These modems are equipped to handle ultra-fast 5G speeds, making them suitable for high-bandwidth tasks such as video conferencing, streaming, real-time monitoring, and industrial automation. They often include advanced features like automatic failover, load balancing, and remote management, making them ideal for both enterprise and personal use. 

What are the Advantages of a Dual SIM Dual 5G Router? 

The 5G router dual SIM configuration combines the power of a 5G modem with the convenience of a wireless router. It delivers high-speed internet while supporting multiple connected devices via Wi-Fi or Ethernet. The dual SIM capability enhances this by offering:
  • Network Redundancy: When one SIM card’s network is weak or unavailable, the router automatically switches to the secondary network, ensuring uninterrupted service.
  • Load Balancing: Some dual SIM 5G routers can use both networks simultaneously, distributing data traffic for better performance.
  • Carrier Flexibility: You can choose two different carriers based on signal strength, pricing, or data plans to optimize cost and performance.
This setup is especially useful in mobile environments, rural areas, and industries where wired connections are unreliable or unavailable. 

Typical Use Cases of Dual SIM 5G Modem. 

  1. Remote Work and Mobile Offices: Professionals on the move can stay connected in areas with inconsistent coverage by relying on a 5G router with dual SIM support.
  2. Smart Transportation: Buses, trains, and service vehicles can provide passenger Wi-Fi and support onboard systems through robust 5G connections with automatic failover.
  3. Industrial Applications: Manufacturing plants, energy facilities, and remote monitoring stations benefit from high-speed and redundant connectivity to ensure continuous operations.
  4. Retail and Pop-Up Stores: Businesses can set up secure internet access quickly without relying on local infrastructure. 

How to choose a Dual SIM Dual 5G Router? 

When choosing a dual SIM 5G modem or 5G router dual SIM, consider the following features to ensure optimal performance:
  • Automatic Failover: Seamless switching between SIM cards to maintain uninterrupted internet access.
  • High-Gain Antennas or External Antenna Support: For better signal reception in low-signal areas.
  • Multiple Ethernet Ports: For connecting wired devices and extending network functionality.
  • Strong Security Protocols: Built-in firewalls, VPN support, and encryption features protect your data.
  • Remote Management: Cloud or app-based control allows for monitoring, firmware updates, and troubleshooting from anywhere. 

The Future of 5G Connectivity

As 5G coverage continues to expand globally, the demand for flexible and resilient connectivity will only increase. A 5G router dual SIM setup offers an ideal solution for future-proofing your network infrastructure. It delivers not just speed, but also reliability, scalability, and versatility. Whether you’re running a business, managing industrial systems, or working remotely, investing in a dual SIM 5G modem ensures that you remain connected, productive, and prepared for the challenges of a hyper-connected world.

Highlights

Multi-carrier 2G/3G/4G LTE/5G support with two SIM card slot; Cellular/WAN RJ45/WiFi client failover and Load Balance (Bandwidth link bonding); Cloud-managed (with NMS network management system), TR-069, Web management, SMS, SSH/Telnet/Command, SNMP; Dual-band or Tri-band, dual concurrent WiFi (802.11 a/b/g/n/ac, 2.4Ghz + 5Ghz), MU-MIMO WAVE2; Built-in transient and reverse polarity voltage protection, over-current and over-voltage protection; 5-40V DC voltage input range (5-60V DC option), Dual Power Inputs / Power Failover; GPS / Beidou support; Serial Port; DI/DO port * 4; Supports Ethernet (T1, DSL, Cable, MetroE), WiFi as WAN, and Metro WiFi; Ruggedized to ensure always-on connectivity; Create real-time alerts to monitor uptime; Offer secure, guest WiFi to passengers; Advanced security, VPN, and stateful firewall to protect sensitive data; Robust Metal Case is ruggedized for vibration, shock; Desktop, Wall-mount and Din-rail mount of installation; External antenna connectors for high gain antennas replacement; MIMO supported;

E-Lins has a better industrial design

Industrial Design: Robust and Working in Wide Range Temperature

H900ff 5G router with Ethernet is industrial designed, excellent function to ensure 7x24h running in stability and reliability;

Wide range power input with dual types of input supported; Alloy-metal case, IP30 protection standard;

Quality industrial grade casing provides robust and reliable 5G router for installation in many different environments and operating temperature of -35 Celcius to +75 Celcius.

With Multi-Powerful-Features

Built-in Industrial Modem Module and Dual SIM Card Slot

The H900ff can built-in industrial class radio modem module to provide rubust and reliable cellular network communications. With SIM Card Slot, users can insert two SIM cards to dialup 2G/3G/4G/5G networks directly.

Dual Band or Tri band Concurrent Wi-Fi with Wave2 and MU-MIMO

The H900ff SIM card 5G router provides option 2.4Ghz + 5GHz dual band or tri band Wi-Fi with concurrent data transmission to achieve high powerful Wi-Fi performance. Also it supports high gain Wi-Fi module including 802.11AC Wave2 and MU-MIMO technology for installation and replacement to meet different Wi-Fi requirement.

With multi radios, H900ff gets 2~3 times number of served clients comparing to normal single radio.

With multi data stream, H900ff gets 3~4 times data bandwidth comparing to normal single data stream.

With MU-MIMO technology, H900ff gets 2~3 times data bandwidthand and number of served clientscomparing to normal single radio single data stream.

H900ff SIM card 5G router supports high gain Wi-Fi replacement to meet different applications.

 

Rich Interface

VPN Safety and Security

Offer more VPN safety application schemes, data transmission reach to financial grade standard. E-Lins wireless routers support APN/VPDN private networks, also including various VPN access such as IPSEC, PPTP, L2TP, GRE,OPENVPN, DMVPN, etc. including the function of VPN client and server. Add one more channel of encryption communication under the base of special network can fully guarantee the safety and accuracy of data of dealing and management.

Dual Power Input

The H900ff Dual SIM 5G Router supports wide voltage range of 5V to 40V DC (option up to 60V DC) and has two power inputs so if the primary power fails then the modem will automatically use the second power supply without link downtime.

Three Types of Installation (Din-rail, Wall-mount, Desktop)

Beidou / GPS is supported

Multi-management

Supporting Web GUI, Telnet SSH Command, SMS, TR-069, SNMP, and NMS (E-Lins Network Management System), users can manage and control the H900ff 5G router easily and flexibly.

All E-Lins communication terminals can be connected to the E-Lins remote managing and controlling platform (NMS), which brings the generous devices scattering in different areas to carry out concentrate monitor, configuration, updated, diagnosis, maintenance, manage and control. Highly reduce the maintenance costing in the operator, integrator, devise supplier etc, increase the managing efficiency.

Industrial Applications

  • Remote data monitoring & control (SCADA / telemetry)
  • CCTV & security surveillance backhaul
  • AMR automatic meter reading — water, gas, oil flow
  • Power station & distribution network supervision
  • POS terminals, ATM & vending machines
  • Traffic signal & street lamp monitoring
  • Fleet management & vehicle diagnostics
  • Hydrologic / weather station data acquisition
  • Telecom base-station equipment supervision

Always-Online Failover

Cellular, wired WAN and Wi-Fi client back each other up automatically. When one link drops, traffic switches in seconds — your SCADA polling never notices.

Serial DTU for Legacy Devices

Optional RS232/RS485 port bridges Modbus RTU meters and decades-old controllers onto IP networks. No forklift upgrade — the serial device just gains a 4G link.

Full VPN Suite On Board

IPsec, L2TP, PPTP and GRE tunnels terminate directly on the router. Site data reaches your platform encrypted, without extra security appliances.

Built for Outdoor Cabinets

Wide-temperature components, enhanced ventilation and a compact metal body fit cramped street cabinets and survive them. Rated for −35 °C cold starts to +75 °C summer heat.

Self-Healing Watchdog

A hardware watchdog plus multi-layer link detection restarts frozen links before anyone calls you. Unattended sites keep working for years, not weeks.

Fleet Management via NMS

Every H685T reports signal, traffic and status to E-Lins NMS cloud. Push configs and firmware to one unit or ten thousand — from a single dashboard.

Typical Deployment Topology

RTU / PLC / Meter

Modbus RTU • Ethernet
existing field device
RS485 / LAN

H685T Router

DTU gateway • VPN tunnel
failover & watchdog
4G TDD-LTE

4G Network

carrier network
B38/39/40/41
IPsec / MQTT

Cloud Platform

SCADA center • E-Lins NMS
your IoT application

H900ff-W6 in the E-Lins 4G Family

H900ff-W6 This Model 10 Port 10/100M AI PoE Switch H900f-W6 H900f
Product Type Indoor - Indoor Indoor
Cellular Connectivity Cellular - Cellular Cellular
Connectivity Type 5G SA/5G NSA - 5G SA/5G NSA 5G SA/5G NSA
Ethernet Ports 5 EH Ports - 5 EH Ports 5 EH Ports
SIM Card Dual SIM - Dual SIM Dual SIM
Ethernet Speed 10/100/1000Mbps - 10/100/1000Mbps 10/100/1000Mbps
PoE Active PoE In/PoE PD - Active PoE In/PoE PD Active PoE In/PoE PD
Wi-Fi Wi-Fi 6 - Wi-Fi 6 Wi-Fi 6
SFP Port No SFP - No SFP No SFP
Serial RS232 - RS232 RS232
Features Dual SIM/PoE In/PoE Out/eSIM - Dual SIM/PoE In/PoE Out/eSIM Dual SIM/PoE In/PoE Out/eSIM
Industrial Protocols Modbus/DNP3/eSIM - Modbus/DNP3/eSIM Modbus/DNP3/eSIM
Network Protocols MQTT/TCP/UDP/IPv4/IPv6/DNS/HTTP/NTP/ICMP - MQTT/TCP/UDP/IPv4/IPv6/DNS/HTTP/NTP/ICMP MQTT/TCP/UDP/IPv4/IPv6/DNS/HTTP/NTP/ICMP
Operating System Linux - Linux Linux
Power Socket 3 PIN Jack - 3 PIN Jack 3 PIN Jack
Datasheet H900ff-W6 ↓ 10 Port 10/100M AI PoE Switch → H900f-W6 → H900f →

KEEP EXPLORING

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IN THE BOX & ADD-ONS

Accessories Available

Genuine E-Lins accessories tested with the H900FF-W6: power, antenna, mounting and cabling.

Sample list — awaiting the accessory catalogue.

4G LTE SMA Antenna (Standard)
High-Gain 4G Antenna 5 dBi
12V / 1.5A Power Adapter
DIN Rail Mounting Kit
RS232 Serial Cable (DB9)
RS485 Terminal Block Cable
9-36V DC Vehicle Power Cable
Wi-Fi Antenna 2.4 GHz
Magnetic-Mount 4G Antenna
SMA Extension Cable 3 m
Wall-Mount Bracket Kit
PoE Splitter (Passive)
Free 30-Day Trial

Cloud Platform · Included with E-Lins Routers

Network Management
System

Monitor, configure and upgrade your entire fleet of H900FF-W6 routers from one cloud dashboard: bulk operations, real-time alerts and API integration. Cloud SaaS or private on-premise deployment.

Bulk firmware upgrades Real-time alerts Open API integration
E-Lins NMS fleet overview dashboard showing connected sites and signal levels

Knowledge Base · Documentation

H900FF-W6 on the E-Lins Wiki

Configuration guides, firmware changelogs and field tutorials. Full documentation lives on the E-Lins Wiki.

About the E-Lins H900FF-W6

5G technology is the central of future technologies and world’s industries. The E-Lins H900ff series 5G router with Ethernet is a compact, ruggedized 3G/4G LTE/5G cellular networking solution designed for mission-critical connectivity in the most challenging environments. It is qualified for IoT (Internet of Things) and In-Vehicle applications. Super mini size suitable for embedding applications.


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