Siemens — Industrial Routers
The Siemens Scalance M874-2 is an industrial-grade cellular router that provides secure internet and VPN access to automation cells, machines, and remote plants. It features a stateful inspection firewall, NAT/NAPT routing, and IPsec/OpenVPN tunnelling with certificate-based authentication for robust cybersecurity. The router supports LTE Cat 4 with dual-SIM failover and includes two Gigabit Ethernet ports for LAN segmentation. Integration with Siemens TIA Portal and SINEMA Remote Connect enables centralized management of remote access policies across the enterprise.
| Cellular Standard | LTE Cat 4 (150/50 Mbps) |
| SIM Slots | 2 (dual-SIM failover) |
| VPN | IPsec, OpenVPN, L2TP |
| Firewall | Stateful inspection, NAT/NAPT, port filtering |
| Ethernet Ports | 2 x Gigabit Ethernet (RJ45) |
| Management | TIA Portal, SINEMA Remote Connect, Web UI |
| Operating Temperature | -20 to +60 °C |
Secure VPN remote access for Siemens S7-1500 PLC remote programming and diagnostics
LTE backhaul with firewall segmentation for distributed manufacturing cells
Dual-SIM failover for critical infrastructure remote monitoring
TIA Portal integrated remote connectivity for system integrator fleet management
Our engineering team provides full lifecycle support for this product — from design and programming to commissioning and maintenance.
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