LANCOM 1780EW-4G+ High Performance Mobile VPN Router
Comprehensive hardware guide for the LANCOM 1780EW-4G+ mobile VPN router, covering installation, interface connections, LED status indicators, and technical specifications.
Table of contents
Product Overview
The LANCOM 1780EW-4G+ is a high-performance mobile VPN router designed for robust connectivity. It features a fanless, durable synthetic housing suitable for desktop or wall-mounted installation. The device supports cellular networks (LTE/UMTS), WLAN, and wired Ethernet connections, making it a versatile solution for secure networking.

Installation and Setup
Before starting, ensure the power plug is easily accessible. For desktop use, attach the provided adhesive rubber footpads. If wall-mounting, use the supplied drilling template. Keep all ventilation slots clear to prevent overheating.
- Power: Connect the power adapter and secure the bayonet connector by turning it 90 degrees clockwise.
- Antennas: Attach the supplied cellular and WLAN antennas while the device is switched off to prevent damage to the modules.
- SIM Card: Insert the SIM card into the slot until it clicks. Only insert or remove the SIM card when the device is powered off to avoid damaging the 4G module.
- Interfaces: Use the provided cables to connect your WAN modem to the ETH2 interface (green connectors) and your PC or switch to the ETH1 interface (kiwi-colored connectors).
LED Status Indicators
The device features comprehensive LED indicators to monitor system health:
- Power: Indicates device status, pairing, and cloud management connectivity.
- WLAN: Shows Wi-Fi network activity and signal strength.
- 4G: Displays cellular network status, data transmission, and SIM card errors.
- SIGNAL: Provides visual feedback on cellular signal strength.
- ETH: Indicates network device attachment and data traffic.
- VPN: Shows the status of active VPN connections.
Technical Specifications
The router operates on a 12 V DC power supply with a consumption of approximately 13 W. It supports a wide range of cellular bands (LTE Advanced, UMTS, HSxPA, HSPA+) and includes two Ethernet ports (10/100/1000 Base-TX). The device is designed for temperatures between 0-35 °C (up to 40 °C when wall-mounted).
Safety and Maintenance
Operate the device only with the professionally installed power supply provided. Do not place objects on top of the router. The device contains no user-serviceable parts and relies on a fanless design for high reliability. Ensure compliance with local regulations regarding antenna gain and transmission power when using external antenna systems.
Manual page author
Emily Carter
User documentation editor
Prepares concise manual descriptions and highlights the most useful setup, operation, and maintenance information for readers.