Product Introduction

SR520 2 Sim 4G Router

The SR520 represents a leap forward in 4G SIM router technology, specifically engineered to meet the exacting demands of modern industrial Internet of Things (IoT) applications. This cutting-edge 4G SIM router stands out with its dual SIM capabilities, offering unparalleled connectivity and reliability in challenging industrial environments. As a high-performance 4G SIM router, the SR520 is the ideal solution for businesses requiring robust, secure, and flexible networking options for their mission-critical IoT infrastructure.At its core, the SR520 4G SIM router leverages advanced LTE Cat4 technology, delivering high-speed data transmission and extensive coverage. The innovative dual SIM configuration is the cornerstone of its design, ensuring continuous connectivity through network redundancy. This feature makes the SR520 4G SIM router an essential choice for applications where downtime is simply not an option. The ability to house two SIM cards allows for seamless switching between different mobile network operators, guaranteeing uninterrupted connectivity even in areas with patchy coverage from a single provider.Engineered to withstand harsh industrial conditions, the SR520 features a full metal enclosure and operates flawlessly in temperatures ranging from -35°C to +75°C. This rugged design, coupled with its dual SIM functionality, makes the SR520 4G SIM router the perfect choice for deployment in remote or challenging locations where reliability is paramount.

Interfaces and Connectivity

The SR520 4G SIM router boasts a comprehensive array of interfaces, catering to diverse connectivity needs in the industrial IoT landscape:

SR520 2 Sim 4G Router

Ethernet Ports: 2 10/100Mbps adaptive MDI/MDIX ports, configurable as LAN or WAN
Dual SIM Card Slots: 2 drawer-type slots supporting both 1.8V and 3V SIM/UIM cards, compatible with eSIM
Antenna Interfaces: 1 3G/4G antenna port and 1 2.4G Wi-Fi antenna port (optional, can be used as a second 4G antenna)
Console Port: 1 5-pin 3.5mm pitch connector (1 RS232 / 1 RS485)
Power Interfaces: DC power jack (2.1mm) and 2-pin 3.81mm pitch terminal block
Reset Button: For device reset and factory settings restoration

The dual SIM card slots are a standout feature, allowing for automatic failover between two different mobile networks. This ensures that the 4G SIM router can maintain a constant connection even if one network experiences issues or outages.

Protocols and Network Security

As an advanced 4G SIM router, the SR520 supports an extensive range of protocols and security features:

Network Access: APN VPDN for secure connections
Authentication: CHAP/PAP for user verification
Network Modes: GSM/GPRS/EDGE, UMTS/HSPA+, EVDO, TD-SCDMA, TD-LTE, FDD LTE
LAN/WAN Protocols: ARP, Ethernet, Static IP, DHCP, PPPoE, PPP
IP Applications: Ping, Trace, DHCP Server/Relay/Client, DNS relay, DDNS, Telnet
VPN Support: IPsec, L2TP, PPTP, GRE, GRETAP, OpenVPN, VXLAN, CA certificate
Firewall: SPI, DoS prevention, ACLs, content URL filtering
WLAN Security (Optional): WPA/WPA2 authentication, WEP/TKIP/AES encryption

The dual SIM functionality is complemented by these robust security features, ensuring that data transmission remains secure regardless of which network the router is connected to.

SR520 2 Sim 4G Router

Key Specifications

The SR520 4G SIM router boasts impressive technical specifications that set it apart in the industrial IoT market:

Memory: 64MB RAM, 16MB Flash (expandable to 32MB)
Network Support: Industrial-grade 4G module supporting seven-mode networks
Dual SIM: Two SIM card slots with automatic failover
Wi-Fi (Optional): 2.4G 802.11b/g/n with speeds up to 150Mbps
Power: Wide input range of DC 5-36V (expandable to 5-60V)
Dimensions: 100 x 100 x 23mm (LxWxH), compact design for versatile installation
Weight: 0.30KG (net), 0.60KG (gross), lightweight yet durable construction
MTBF: ≥100,000 hours, ensuring long-term reliability in industrial settings

These parameters underscore the SR520's position as a high-performance, reliable 4G SIM router suitable for long-term industrial deployments in challenging environments.

Advantages and Use Cases

The SR520 4G SIM router offers several key advantages that set it apart in the industrial IoT market:

Dual Network Backup: The standout feature of dual SIM slots ensures uninterrupted connectivity, critical for maintaining constant communication in industrial settings
Flexible Mounting: Supports desktop, rail, and wall mounting options, adapting to various installation requirements
linux System: Facilitates user customization and secondary development, allowing for tailored solutions
Comprehensive VPN Support: Enables secure remote access and data transmission, crucial for protecting sensitive industrial data
Remote Management: Supports SNMP and StarCloud platform for efficient network oversight across large-scale deployments
Industrial-Grade Design: Withstands challenging environments and offers long-term reliability, essential for industrial applications

These features, particularly the dual SIM capability, make the SR520 4G SIM router ideal for a wide range of industrial IoT applications, including:

Smart Manufacturing: Connecting factory equipment and sensors for real-time monitoring and control, with seamless network switching to prevent production interruptions
Intelligent Transportation: Enabling vehicle tracking and fleet management systems, ensuring constant connectivity across diverse geographical areas
Smart Grid Infrastructure: Supporting remote monitoring of power systems, with dual network backup to maintain critical communications
Precision Agriculture: Facilitating smart farming and livestock monitoring applications in remote rural areas where network coverage may be inconsistent
Remote Site Connectivity: Providing reliable internet access for oil and gas fields, mining operations, or construction sites in remote locations with varying network availability

In conclusion, the SR520 4G SIM router represents a powerful and versatile solution for industrial IoT connectivity. Its robust design, comprehensive feature set, and innovative dual SIM functionality make it an excellent choice for businesses seeking a reliable and secure 4G SIM router for their mission-critical applications. Whether deployed in a state-of-the-art smart factory, a remote field site, or as part of an expansive smart city infrastructure, the SR520 4G SIM router delivers the performance, reliability, and network redundancy needed to drive successful IoT initiatives in the most demanding industrial environments.