Dual SIM 4G Router

Dual SIM 4G Router is an industrial-grade LTE/WCDMA wireless router designed for reliable M2M and IoT connectivity, offering dual SIM failover, RS232/RS485/RS422 interfaces, Ethernet, Wi-Fi, VPN security, and stable 24/7 operation in harsh industrial environments.

Wireless

Serial

Ethernet

Remote Control

Industrial Automation

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Dual SIM 4G Router

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Dual SIM 4G Router is a robust industrial wireless communication device engineered for mission-critical IoT and M2M applications. It enables long-distance data transmission over public LTE and WCDMA networks while seamlessly connecting serial, Ethernet, and Wi-Fi devices through a unified platform. Built with an industrial-grade 32-bit processor and embedded real-time operating system, the router ensures high reliability and continuous uptime. Its dual SIM design provides intelligent network switching, ensuring uninterrupted connectivity even during operator failures or network outages. The router supports advanced networking features including VPN (IPsec, GRE), firewall, NAT, QoS, VLANs, and remote management, making it suitable for smart grids, transportation systems, industrial automation, telemetry, environmental monitoring, and remote infrastructure deployments. With a rugged metal enclosure, wide power input, and extensive protection mechanisms, it is ideal for demanding industrial environments requiring secure and stable wireless networking.

Technical Specifications

Cellular & Network Specifications

Network Technology: LTE / WCDMA / GSM
Dual SIM Support: Yes, dual SIM with intelligent switching
LTE Speed: Downlink up to 100 Mbps, Uplink up to 50 Mbps
WCDMA Speed: Downlink up to 42 Mbps
Network Bands: LTE FDD, WCDMA, GSM multi-band support

Wireless & Wi-Fi

Wi-Fi Standard: IEEE 802.11 b/g/n
Wi-Fi Modes: AP, Client, Repeater, WDS (optional)
Wireless Security: WEP, WPA, WPA2, MAC filtering
Wi-Fi Speed: Up to 150 Mbps

Interfaces & I/O

Serial Ports: RS232 / RS485 / RS422 (configurable)
Ethernet Ports: 1× WAN, 4× LAN (10/100 Mbps)
SIM Slots: 2× SIM (3V / 1.8V)
Antenna Interface: SMA connectors with lightning protection (optional)

System & Performance

Processor: Industrial-grade 32-bit CPU
Operating System: Embedded real-time OS
Memory: 128MB SDRAM, 16MB Flash (expandable)
Watchdog: Hardware & software watchdog support

Security & Networking Features

VPN Support: IPsec, GRE, PPTP, L2TP, OpenVPN (variant dependent)
Firewall & NAT: Supported
Protocols: TCP/IP, UDP, HTTP, FTP, SNMP, SSH, Telnet
Management: Web UI, CLI, remote firmware upgrade

Power & Environmental

Power Input: DC 5–36V
Power Protection: Reverse-voltage & over-voltage protection
Operating Temperature: -35°C to +75°C
Operating Humidity: Up to 95% (non-condensing)

Mechanical

Enclosure: Metal housing
Ingress Protection: IP30
Dimensions: 207 × 135 × 28 mm
Weight: Approx. 790 g

FAQs Dual SIM 4G Router

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What is a Dual SIM 4G Router?

A Dual SIM 4G Router is an industrial wireless router that uses two SIM cards to ensure uninterrupted cellular connectivity by automatically switching networks in case of signal loss or operator failure.

Why is dual SIM important for industrial applications?

Dual SIM functionality ensures high availability and network redundancy, which is critical for industrial IoT, smart grids, and remote monitoring systems that require continuous connectivity.

What devices can be connected to this router?

The router supports RS232, RS485, RS422 serial devices, Ethernet-based equipment, and Wi-Fi devices, enabling seamless integration with PLCs, sensors, meters, and controllers.

Does the router support VPN and secure communication?

Yes, it supports industrial-grade VPN protocols such as IPsec and GRE, along with firewall and NAT features for secure data transmission.

How is the router installed?

The router can be mounted on a DIN rail or flat surface using standard industrial mounting accessories. Antennas and SIM cards are easily accessible for quick installation.

Can it operate in harsh environments?

Yes, the router is designed for industrial environments with a wide operating temperature range, metal enclosure, ESD protection, and watchdog mechanisms for stable 24/7 operation.

What industries commonly use this router?

It is widely used in smart grids, industrial automation, intelligent transportation systems, telemetry, environmental monitoring, water supply systems, and remote M2M deployments.

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