Semtech AirLink LX40 Ultra-Compact 4G Router

AirLink LX40 Datasheet

The Semtech AirLink® LX40 is an ultra-compact 4G LTE Cat-4 router designed to deliver out-of-the-box LTE and Wi-Fi connectivity that’s fast and easy to install. Purpose-built for fixed, protected environments, the LX40 is ideal for security systems, digital signage, and IoT deployments where space, simplicity, and reliability matter.

With Power over Ethernet (PoE) support, integrated Wi-Fi, and AirLink Complete services, the LX40 provides a streamlined, cost-effective networking solution for distributed Enterprise and IoT applications.

Key Features

• 4G LTE Cat-4 cellular connectivity
• Single 1×1 Wi-Fi 5 for local wireless access
• 1 × Gigabit Ethernet (1 Gbps) port
• PoE (Power over Ethernet) for simplified installation
• IP21-rated enclosure for indoor/protected locations
• AirLink Complete for management, security, and lifecycle services

Why Choose the AirLink LX40?

The AirLink LX40 is designed for organizations that need simple, reliable cellular connectivity without the complexity of larger industrial routers. Its compact size and PoE capability reduce installation time and cost, making it ideal for large-scale rollouts.

Key Benefits

• Plug-and-play LTE and Wi-Fi connectivity
• Minimal wiring with PoE power and data over a single cable
• Secure networking for fixed IoT and digital applications
• Easy deployment and centralized monitoring with AirLink cloud management
• Low total cost of ownership for distributed sites

Ideal Applications

• Security systems – cameras, access control, monitoring
• Digital signage – displays, kiosks, information panels
• Enterprise IoT – sensors, controllers, smart infrastructure
• Retail & commercial sites – fixed indoor connectivity

Technical Highlights