The SR700 4G LTE Industrial Router is a high-performance network device specifically designed for Industrial Internet of Things (IIoT) applications. With its powerful combination of 5 Ethernet ports, 4G LTE CAT4 high-speed networking, dual-carrier network backup, and Linux OpenWrt system, it provides a stable and reliable network solution for various application scenarios.

Product Core Advantages

5 Ethernet Ports: Flexible Network Connectivity

The SR700 is equipped with 1 WAN port and 4 LAN ports (10M/100M auto-sensing MDI/MDIX), offering users a wealth of wired connection options

. This configuration allows the device to connect multiple network terminal devices simultaneously, making it ideal for scenarios requiring multi-device networking. The Ethernet port design meets the demands of industrial-grade applications, ensuring stable network connections in complex environments.

4G LTE CAT4 High-Speed Network: Outstanding Wireless Connectivity Performance

The SR700 adopts 4G LTE CAT4 technology, supporting up to 1.8GHz dedicated bandwidth

, capable of providing download speeds of up to 150Mbps and upload speeds of 50Mbps. This high-speed wireless connectivity enables smooth data transmission, maintaining stable network connections even in areas where wired networks are unavailable. CAT4 technology optimizes network transmission efficiency, reduces latency, and improves data throughput, particularly suitable for applications requiring real-time data transmission.

Dual-Carrier Network Backup: Ensuring Network Continuity

The SR700 supports dual SIM card slots (standard 1.8V/3V SIM/UIM cards), implementing a dual-carrier network backup mechanism

. When one network signal becomes unstable or interrupted, the system can automatically switch to another carrier’s network, ensuring the continuity and reliability of network connections. This redundant design greatly reduces the risk of network interruptions, providing necessary guarantees for critical business applications.

Linux OpenWrt System: Powerful Development Extensibility

The SR700 uses a Linux system and supports the OpenWrt operating system

, providing users with powerful customization development and secondary development capabilities. OpenWrt, as an open-source embedded operating system, offers high flexibility and scalability, allowing users to install various plugins and applications according to specific needs. This open system architecture makes the SR700 not just a router, but a programmable network platform.

Application Scenario Advantages

Industrial Automation

In industrial automation environments, the SR700’s 5 Ethernet ports can connect multiple industrial devices such as PLCs, sensors, and control panels. The 4G LTE CAT4 high-speed network ensures real-time data transmission between factory equipment and central control systems, while the dual SIM card redundancy design guarantees the continuous stable operation of production line networks. The Linux OpenWrt system allows engineers to develop custom protocols and applications to meet specific industrial control requirements.

Smart City Applications

In smart city construction, the SR700 can serve as a key network node device. The 5 Ethernet ports can connect various terminals such as traffic monitoring cameras and environmental monitoring equipment. The 4G LTE CAT4 high-speed network ensures real-time transmission of HD video and large amounts of sensor data. The dual-carrier backup mechanism ensures that city management systems maintain connectivity under any circumstances. The OpenWrt-based development environment allows systems to be customized according to city management needs, such as intelligent traffic control algorithms and environmental data analysis.

Remote Monitoring Systems

For remote monitoring systems, the SR700 provides an ideal network solution. The 5 Ethernet ports can connect multiple monitoring cameras and sensor devices. In areas lacking wired network infrastructure, 4G LTE CAT4 technology provides reliable wireless connection options. The dual SIM card design ensures network connectivity even when one carrier’s signal is weak. The OpenWrt system supports various VPN protocols (including PPTP, L2TP, IPSEC, OPENVPN, etc.) , ensuring the security of remote monitoring data transmission.

Retail and Commercial Environments

In retail stores and commercial office environments, the SR700 can serve as the primary network access device. The 5 Ethernet ports can connect POS systems, printers, monitoring equipment, and more. The 4G LTE network serves as either the primary connection or backup connection, ensuring the continuous operation of business systems. The dual-carrier backup guarantees the network availability of payment systems and business systems. The OpenWrt system allows store owners to configure network policies according to business needs, such as customer Wi-Fi access control and bandwidth management.

Vehicle-Mounted and Mobile Applications

With its wide operating voltage range (5~36V DC) and excellent vibration resistance, the SR700 is particularly suitable for vehicle-mounted and mobile application scenarios

. The 5 Ethernet ports can connect vehicle-mounted cameras, GPS devices, and vehicle computers. The 4G LTE high-speed network ensures real-time communication between vehicles and dispatch centers. The dual SIM card design is especially important when vehicles move across regions, automatically switching to the carrier network with the strongest signal. The OpenWrt system supports GPS/GLONASS positioning functions

, enabling fleet management and route optimization applications.

Technical Specification Advantages

The SR700 not only excels in connectivity and system flexibility, but its technical specifications also fully reflect the stability and reliability of industrial-grade design:

• Wide operating temperature range (-35°C~+75°C) allows it to function normally in extreme environments
• Wide voltage input range (5~36V DC) adapts to various power supply conditions
• Supports SNMP protocol and Star Device Management cloud platform, facilitating remote management and monitoring
• Rich indicator lights (9) intuitively display device status, facilitating fault diagnosis
• Comprehensive interface design, including serial ports (RS232, RS485) and antenna interfaces, meeting diverse connection needs

Conclusion

The SR700 4G LTE Industrial Router, through the organic combination of its 5 Ethernet ports, 4G LTE CAT4 high-speed network, dual-carrier network backup, and Linux OpenWrt system, provides a comprehensive network connectivity solution for various application scenarios. Whether for industrial automation, smart cities, remote monitoring, commercial retail, or vehicle-mounted applications, the SR700 can meet users’ diverse network needs with its excellent connectivity, reliability, and scalability. This device is not just a network access point, but an intelligent network platform that can be customized according to specific requirements, providing a solid foundation for users’ digital transformation.