Teltonika RUT281 Industrial Rugged Compact Cellular LTE 4G Router
Reliable Industrial LTE Cat 4 Router with eSIM, WAN Failover and Remote Management
The Teltonika RUT281 is a compact industrial-grade 4G LTE Cat 4 cellular router designed to provide secure, reliable, and cost-effective connectivity for industrial automation, remote monitoring, smart city, retail, energy, and enterprise applications. Featuring a global LTE modem, integrated Wi-Fi, dual Ethernet ports, industrial digital I/O, WAN failover, and eSIM support, the RUT281 delivers dependable networking in even the most demanding environments.
Built on Teltonika's powerful RutOS operating system, the RUT281 offers advanced VPN services, industrial protocols, cloud integration, cybersecurity protection, and compatibility with Teltonika RMS for centralised fleet management.
Key Features
Global LTE Cat 4 Connectivity
- LTE Cat 4 speeds up to:
- 150 Mbps download
- 50 Mbps upload
- 3G fallback:
- 2G fallback support
- Worldwide LTE band support
- Telit industrial cellular modem for reliable connectivity
SIM & eSIM Support
- 1 × Mini SIM (2FF)
- Integrated consumer-type eSIM
- Supports up to 7 eSIM profiles
- Remote profile download and management
- Automatic SIM switching based on:
- Signal quality
- Data limits
- SMS limits
- Roaming conditions
- Network availability
Automatic WAN Failover
Maintain uninterrupted connectivity with:
- Mobile WAN
- Ethernet WAN
- Wi-Fi WAN
- Automatic failover and recovery
- Load balancing support
Compact Industrial Design
- Compact size: 83 × 25 × 74 mm
- Durable aluminium housing
- DIN rail, wall or flat-surface mounting
- Ideal for space-constrained installations
Why Choose the RUT281?
The RUT281 is an ideal choice for organisations seeking:
- Reliable industrial LTE connectivity
- Remote asset monitoring
- Cost-effective industrial networking
- Secure VPN communications
- Smart utility deployments
- Industrial automation projects
- Cloud-connected IoT applications
- Remote management capabilities
Ideal Applications
Industrial Automation
Connect PLCs, RTUs, HMIs and SCADA systems to central monitoring and control platforms.
Utilities & Energy
Enable secure monitoring of water, gas, electricity and renewable energy infrastructure.
Smart Cities
Provide connectivity for environmental monitoring, traffic systems, lighting and public infrastructure.
Retail & Point of Sale
Deliver reliable backup or primary connectivity for kiosks, POS terminals and digital signage.
Remote Monitoring
Ideal for telemetry, environmental monitoring, security systems and remote asset management.
Wi-Fi Features
Wireless Connectivity
- IEEE 802.11b/g/n (Wi-Fi 4)
- Access Point (AP) mode
- Station (STA) mode
- Up to 50 simultaneous clients
- Wireless Mesh (802.11s)
- Fast Roaming (802.11r)
- BSS Transition (802.11v)
- Radio Resource Measurement (802.11k)
- QR code onboarding support
Security
Supports:
- WPA2 Enterprise
- WPA3 Enterprise
- WPA3 SAE
- MAC filtering
- Protected Management Frames (PMF)
- Client isolation and access control
Industrial Protocol Support
The RUT281 includes a comprehensive range of industrial communication protocols.
Modbus
Supported modes:
- Modbus TCP Client
- Modbus TCP Server
Supported formats:
Supported byte orders:
OPC UA
Supported:
- OPC UA Client
- OPC UA Server
- TCP communication
DNP3
Supported:
- Station mode
- Outstation mode
- TCP transport
DLMS/COSEM
Supports:
- Utility meter communications
- Client mode
- TCP connectivity
MQTT & Cloud Integration
MQTT Gateway
Built-in Modbus MQTT Gateway:
- Publish Modbus data to MQTT
- Receive commands from MQTT brokers
- Simplify industrial cloud integration
Data to Server
Supported protocols:
- HTTP
- HTTPS
- MQTT
- Azure MQTT
Features:
- Multi-source data collection
- Data aggregation
- Custom Lua scripting
- Cloud publishing to a single endpoint
Supported Cloud Platforms
- Teltonika RMS
- AWS IoT Core
- Microsoft Azure IoT Hub
- ThingWorx
- Cumulocity IoT
Advanced Networking Features
Supports:
- Static Routing
- Dynamic Routing
- BGP
- OSPF v2
- RIP
- EIGRP
- NHRP
- Policy-Based Routing
- Load Balancing
- DHCP Server & Relay
- DDNS
- DNS over HTTPS
- QoS / Smart Queue Management
- Hotspot Portal
- SSHFS
- VXLAN
- Network Topology Mapping
Security Features
Authentication
Supports:
- X.509 Certificates
- TACACS+
- Internal and External RADIUS
- Login protection
- Time-based access control
- Random password generation
Firewall Protection
Features:
- NAT
- NAT-T
- NAT64
- DMZ
- VLAN segmentation
- Custom firewall rules
- Web filtering
- Mobile quota control
Cybersecurity
Includes:
- DDoS protection
- SYN flood protection
- SSH attack prevention
- HTTP/HTTPS attack prevention
- Port scan protection
- Brute-force protection
VPN Support
Enterprise-grade VPN support includes:
- OpenVPN
- WireGuard
- IPsec
- GRE
- PPTP
- L2TP
- SSTP
- DMVPN
- ZeroTier
- Tinc
- Stunnel
Remote Monitoring & Management
Management options include:
- Web UI
- SSH
- SMS
- Call control
- MQTT
- SNMP v1/v2/v3
- JSON-RPC API
- TR-069
- RMS Remote Management System
- FOTA firmware updates
RMS Compatibility
Teltonika RMS enables:
- Centralised management
- Remote diagnostics
- Firmware deployment
- Configuration backups
- Secure remote access
- Device monitoring and alerts
Digital Input & Output
Built-in industrial I/O supports local monitoring and control.
Digital Input
- 1 × Digital Input
- Logic Low: 0–6 V
- Logic High: 8–30 V
Digital Output
- 1 × Open Collector Output
- Maximum 30 V
- Maximum 300 mA
Event Notifications
Supports:
- SMS alerts
- Email alerts
- RMS notifications
I/O Juggler
Create local automation rules based on input conditions and trigger outputs or alerts.
Hardware Specifications
System Platform
- CPU: MediaTek 580 MHz MIPS 24KEc
- RAM: 128 MB DDR2
- Storage: 32 MB SPI Flash
- Operating System: RutOS (OpenWrt-based Linux)
Ethernet
- 1 × WAN Port (10/100 Mbps)
- 1 × LAN Port (10/100 Mbps)
- Auto MDI/MDIX support
Cellular Connectivity
Supported frequency bands:
4G LTE
- B1, B2, B3, B4, B5, B7, B8, B9
- B12, B13, B14, B18, B19, B20
- B25, B26, B28
3G
- B1, B2, B4, B5, B6, B8, B19
2G
Power
- Input Voltage: 9–30 VDC
- Reverse polarity protection
- Surge protection
- Passive PoE support
- Maximum power consumption: < 4 W
- Idle consumption: < 2 W
Physical Specifications
- Dimensions: 83 × 25 × 74 mm
- Weight: 130 g
- Aluminium housing
- IP30 enclosure
- DIN rail, wall and flat-surface mounting options available
Environmental Specifications
- Operating temperature: -40°C to +65°C
- Humidity: 10–90% non-condensing
- Industrial-grade design for harsh environments
