🛍️ Product Name
D-Link DWM-311 4G LTE Industrial VPN Gigabit Modem/Router (Cat.4, Rugged Steel Housing, OpenVPN Support)
📦 Product Overview
The D-Link DWM-311 is a robust, industrial-grade 4G LTE Cat.4 modem/router designed for Machine-to-Machine (M2M) applications. With secure VPN support, Gigabit Ethernet connectivity, and remote management capabilities, it ensures reliable data transmission for IoT devices, industrial automation, and mission-critical deployments.
🌟 Top Highlights
📶 4G LTE Cat.4 Speeds – Download up to 150 Mbps, upload up to 50 Mbps
🔒 Integrated VPN – Secure OpenVPN support for encrypted communication
⚡ Gigabit Ethernet Port – Fast wired connectivity for industrial devices
🏗️ Rugged Steel Housing – Zinc-plated case with wide temperature tolerance (-30°C to 60°C)
🖥️ Remote Management – D-Link Edge Cloud System (D-ECS) for monitoring and reporting
📐 Technical Details
| Specification | Details |
|---|---|
| LTE Category | Cat.4 (150 Mbps DL / 50 Mbps UL) |
| Supported LTE Bands | B1, B3, B7, B8, B20, B28A, B38, B40, B41 |
| Ethernet Port | 1 × Gigabit Ethernet |
| VPN Support | OpenVPN |
| Management | Web UI, SMS, D-Link Edge Cloud System (D-ECS) |
| Operating Temperature | -30°C to +60°C |
| Humidity Tolerance | Up to 95% non-condensing |
| Enclosure | Zinc-plated steel, industrial-grade |
| Dimensions | 77.4 × 68.5 × 26 mm |
| Deployment | Plug-and-Play, M2M/IoT ready |
💡 Why You Should Buy It
✅ Industrial-grade reliability for harsh environments
✅ Secure VPN ensures encrypted communication
✅ Gigabit Ethernet for stable wired connections
✅ Remote management for scalable deployments
🎯 Recommended Use Cases
➤ Industrial IoT device connectivity
➤ Remote monitoring and automation
➤ Secure VPN tunnels for enterprise data
➤ Smart city and utility infrastructure
🤝 Customer Assurance
🛡️ Warranty / Guarantee: Coverage available through manufacturer support
🔄 Returns Policy: Returns accepted as per standard reseller terms and conditions
🚚 Shipping Info: Delivery handled by reliable logistics partners with tracking support
📞 Customer Support: Assistance available via official support channels and authorized resellers
👉 Call to Action
Empower your industrial network with secure 4G LTE connectivity — choose the D-Link DWM-311 today.

Thanks for choosing
– YOUR TRUSTED IT PARTNER.
