Router TELTONIKA RUT281 LTE Cat4 with eSIM, Wi‑Fi and Dual Ethernet, global 150/50 Mbps

TELTONIKA RUT281 LTE Cat4 with eSIM, Wi‑Fi and Dual Ethernet is a compact cellular router designed to provide reliable mobile broadband connectivity with global support. The device integrates LTE Cat4 modem capability delivering up to 150 Mbps downlink and 50 Mbps uplink, built-in eSIM for flexible operator provisioning, dual Ethernet ports for WAN/LAN or LAN/LAN operation, and Wi‑Fi for local wireless access. It is intended for scenarios that require stable remote internet access, fast setup and straightforward device management.

Advantages

The RUT281 combines LTE Cat4 performance with integrated eSIM support to simplify mobile connectivity and reduce dependency on physical SIM cards. Dual Ethernet ports allow versatile network topology configuration including WAN failover and local LAN segmentation. Built-in Wi‑Fi provides immediate wireless access for devices without additional hardware. The router offers a compact form factor suitable for constrained spaces and supports standard management interfaces for easy configuration and monitoring.

Suitable for

• Remote site internet access and backup connectivity
• M2M and IoT gateway applications that require cellular links
• Small office/home office networking with mobile WAN
• Temporary or mobile deployments where fast setup is needed

Key specifications

• Cellular category: LTE Cat4 with up to 150 Mbps downlink and 50 Mbps uplink
• eSIM support for operator provisioning without a physical SIM
• Wi‑Fi: integrated wireless access for local devices (2.4 GHz, single-band)
• Ethernet: two RJ45 ports configurable for WAN and LAN roles
• Power: compact power input suitable for indoor installations
• Management: web UI and standard remote management interfaces

How to use

Install the RUT281 in a location with adequate cellular signal and connect the device to power. Use the web-based management interface to activate the built-in eSIM or insert a physical SIM if required, configure network mode and APN settings, and set up WAN/LAN roles for the Ethernet ports. Enable Wi‑Fi to provide local wireless access and configure security settings such as WPA2 and an administrator password. Verify internet connectivity and, if needed, configure failover, routing or firewall rules according to the deployment requirements.

Recommendations

Place the router where cellular reception is strongest and avoid metallic enclosures. For stable throughput, monitor signal strength and choose a location with clear line of sight to the nearest cell tower when possible. Regularly update firmware through the router's management interface to maintain security and compatibility with network operators.