Industrial Cellular Routers

Secure 4G LTE Edge Gateways for SCADA & IoT Backhaul

Deliver continuous remote connectivity with automated Wired/4G failover. Featuring native IPsec/WireGuard tunneling, 802.11b/g/n Wi-Fi, and rugged DIN-rail armor operating reliably from -40°C to +85°C.

Industrial 4G Routers Selection Guide

Compare multi-port edge routers built for secure VPN tunneling and automated WAN failover.

Multi-Port Edge VT-LTE400 Series 5-Port Industrial 4G LTE Gateway. Compact Node VT-LTE500 Series Coming Q4 2-Port Cellular Edge Router.
Hardware & Interfaces
Ethernet Ports (RJ45)5 Ports (1x WAN + 4x LAN)2 Ports (1x WAN + 1x LAN)
Wi-Fi Capability 802.11 b/g/n (Mesh/Roaming) 802.11 b/g/n
Cellular Module4G LTE CAT1 (Max 10Mbps DL)4G LTE CAT4 (Max 150Mbps DL)
Operating VoltageDC 9~24V (V+ / V-)DC 9~36V (V+ / V-)
Networking & Security
WAN Failover (Smart Backup) Automated Wired-to-4G Automated Wired-to-4G
VPN Tunneling IPsec, WireGuard, L2TP IPsec, WireGuard, PPTP, L2TP
Routing & FirewallsVLAN, Static Routing, Port ForwardingVLAN, Static Routing, Port Forwarding
Operating Temperature-40°C to +85°C-40°C to +75°C
View DetailsReleasing Q4 2026

Eliminate Remote Site Blind Spots

Eliminate Remote Site Blindspots Prevent remote PLCs and sensors from going down. Our cellular routers create always-on encrypted tunnels back to your central SCADA system, automatically failing over from wired WAN to 4G LTE the minute a primary network failure is detected.

SCADA Cellular Backhaul Network Topology
Wired/4G Smart Failover

Internal logic constantly monitors WAN health. If the primary wired internet drops, the router automatically dials the 4G radio to maintain production data flow.

Enterprise-Grade VPN

Native support for IPsec and WireGuard. Establish highly encrypted, persistent tunnels from unmanned sites directly to your corporate firewall.

Port Forwarding & VLAN

Conserve limited IP resources. Use built-in NAT/Port Forwarding to map multiple downstream PLCs to a single cellular IP, while segmenting traffic via 802.1Q VLANs.

Valtoris VT-LTE400 Industrial Cellular Router
Wi-Fi Mesh & Roaming

Equipped with 802.11 b/g/n Wi-Fi. Supports 802.11r fast transition and Mesh configurations to expand wireless coverage across expansive factory floors.

Global Frequency Bands

Unlocked Micro SIM slot. Compatible with major carrier networks across EMEA and Asia (LTE-FDD B1/B3/B5/B7/B8/B20) for seamless global deployment.

Smart Backup & -40~85°C

Engineered for continuous operation with automatic link recovery. Rated for extreme -40°C to +85°C ambient cabinet temperatures.

Network Architecture Truth

Beating CGNAT: How IPsec VPN Solves Remote PLC Access

Most standard 4G SIM cards are issued private IP addresses by the cellular carrier (CGNAT). This means you cannot use simple Port Forwarding to access your remote PLC from the outside world. Our routers solve this by acting as active VPN Clients.

Standard Router (Port Forwarding Only) INBOUND BLOCKED BY CARRIER NAT
↓ Valtoris IPsec / WireGuard Tunnel Initiation ↓
Valtoris Cellular Router (VPN Client) PIERCES NAT ➔ SECURE 2-WAY OT LINK ESTABLISHED
Consult a VPN Architect

Applications Of Industrial Cellular Routers

Engineered to secure remote unmanned assets where wired broadband is unavailable.

CE Certified
FCC Approved
RoHS Compliant
DIN-Rail Ready
-40°C TO 85°C

What Our Clients Say

Real-world reliability verified by field systems integrators.

Zero Maintenance Trips

“We deploy these routers in remote solar farms where temperatures regularly hit 65°C inside the cabinet. The smart backup logic is brilliant—if the cellular tower drops the connection, the VT-LTE400 restores the VPN tunnel automatically without us having to drive 3 hours to cycle the power.”

— Daniel H., Renewable Energy Integrator
Seamless Failover

“We have our main factory broadband on WAN port and a 4G SIM in as backup. Last month a backhoe cut our fiber line. The Valtoris router switched to LTE so fast that our main SCADA polling loop didn’t even see an alarm. Phenomenal engineering.”

— Marcus V., Plant Operations Manager

Why Partner With Valtoris?

Since 2014, we’ve focused solely on industrial connectivity. Every router is engineered for harsh environments and long-term reliability—because your network shouldn’t be the weak link.

Built to Last

Designed with industrial-grade components, robust EMI/RFI shielding, and passively cooled aluminum housings to ensure decade-long operational lifespans.

OEM / ODM Tailored

Need custom firmware, specific protocols, or white-label branding? We offer flexible engineering configurations to fit your exact application architecture.

Support That Stays

Our dedicated engineering team provides clear and responsive guidance from initial setup to ongoing firmware updates. No disappearing acts, just a partnership.

True Value (ROI)

We deliver top-tier reliability at a transparent, direct-from-manufacturer price, significantly reducing your truck-roll maintenance and total cost of ownership.

Knowledge & Application Hub

Expert guides, technical fixes, and real-world deployment strategies for OT connectivity.

Hardware Review
Best Sierra Wireless RV50X Alternative: Stop Overpaying
Read Article
Configuration Guide
The Complete Industrial Cellular Router Configuration Handbook
Read Guide
Network Security
Secure Remote PLC Access: Stop Exposing Your OT Network
Read Article
Troubleshooting
Fixing AGV WiFi Roaming Disconnects: PLC Watchdog Times Out
Read Fix

Secure Your Remote Assets Today

Eliminate CGNAT headaches and secure volume direct-from-manufacturer pricing.

Request Custom Quote
2026 Procurement Guide

Download the Cellular Routers Line Card

Get a quick offline comparison of LAN/WAN port configurations, LTE band support, and VPN capabilities across the VT-LTE series.

PDF Valtoris_Cellular_Routers_2026.pdf (1.3 MB · No email required)

Frequently Asked Questions

How fast does the router failover from the wired WAN port to the 4G LTE backup?

Our 4G/Wired Smart Backup function relies on continuous hardware and ping-level link monitoring. When a physical drop or severe packet loss is detected on the primary WAN port, the internal routing table instantly shifts traffic to the active cellular interface. In most SCADA environments, this failover executes within seconds, ensuring your polling software does not experience a prolonged timeout.

Will maintaining an IPsec VPN tunnel consume my entire monthly M2M cellular data plan?

No. We understand that industrial M2M SIM cards often have strict 50MB to 500MB monthly limits. The VT-LTE400’s IPsec implementation utilizes optimized Dead Peer Detection (DPD) and Auto-Reconnect parameters. Tunnel maintenance requires only a few kilobytes per day when idle (no actual PLC data is transmitted), which is perfect for metered remote telemetry applications.

What happens to the router configuration during a remote brownout or power loss?

All network configurations, firewall rules, and VPN certificates are saved to non-volatile flash memory. During a sudden power loss, no settings are lost. The moment DC 9~24V power is restored, the operating system boots, the cellular module re-registers with the cell tower, and the VPN tunnels are automatically re-established without any human intervention.

Can I completely disable the Wi-Fi broadcast to comply with strict IT security policies?

Yes. Many energy and utility sites prohibit wireless broadcasting. You can log into the local Web UI (default 192.168.8.1) and completely disable the 802.11 b/g/n radio interface. The VT-LTE400 will then operate purely as a hardened, closed-loop Wired-to-Cellular gateway, routing traffic exclusively through the physical RJ45 LAN ports.