Teltonika RUT981 Global eSIM UK PSU – global 4G router with Telit Cat 4, dual SIM, eSIM and WAN failover
The Teltonika RUT981 Global eSIM UK PSU is a global 4G router for professional environments where reliable mobile connectivity, flexible network integration and long-term deployment are important. This model combines a Telit LTE Cat 4 modem with Wi-Fi and 4 x Ethernet ports for a variety of network setups. In addition, the router supports dual SIM and eSIM, including eSIM bootstrap for initial profile download, and features WAN failover and load balancing for continuous communications. The RUT981 runs on RutOS and supports extensive management, security and VPN functionalities for professional deployments. This version is for the Global eSIM variant and comes as a standard package with an UK PSU.
Global 4G router for global connectivity and flexible network integration
The RUT981 is designed for organizations seeking a compact 4G router with global deployment and multiple integration capabilities. Combining mobile Internet, Wi-Fi and 4 x Ethernet ports, this model aligns with industrial automation, energy & utilities, enterprise, retail and smart city applications. The router is positioned for environments where uptime, scalable provider management and flexible WAN distribution are key considerations. Combined with RMS, this model also supports centralized management within larger and managed network environments.
Why Teltonika RUT981 Global eSIM UK PSU?
- Telit 4G LTE Cat 4 modem supports global mobile connectivity for international and professional deployments.
- Dual SIM and eSIM support carrier profiles at scale and reduce the need for on-site visits.
- WAN failover and load balancing support continuous communication in mission-critical network environments.
- 4 x Ethernet ports support easy integration of devices within wired networks.
- Wi-Fi 4 with 2×2 MIMO supports local wireless connectivity in addition to mobile and wired connections.
- This version comes as Global eSIM UK PSU variant for global deployment with a UK PSU in the package.
Applications
- Industrial Automation
- Energy & utilities
- Enterprise network environments
- Retail
- Smart city
- Global 4G deployments
- Managed networks with centralized management
- Applications where WAN failover and load balancing are important
Key features
- Global 4G router
- Telit Cat 4 modem
- 4G LTE Cat 4, 3G and 2G
- Dual SIM and eSIM
- eSIM bootstrap
- Up to 7 eSIM profiles
- Wi-Fi 4 with 2×2 MIMO
- Up to 100 simultaneous Wi-Fi connections
- 4 x RJ45 Ethernet
- WAN failover and load balancing
- RutOS based on OpenWrt Linux OS
- RMS support for remote management
- Global eSIM variant
- UK PSU Version
Key technology and integration points
The RUT981 combines mobile connectivity, Wi-Fi and Ethernet in one compact router platform for global deployment. For integration, this model supports OPC UA, Modbus, Data to Server, Modbus MQTT Gateway, DNP3, DLMS/COSEM and the Teltonika Networks Web API, among others. At the network level, the router supports routing, DHCP, DNS over HTTPS, hotspot functionality, QoS, load balancing and port mirroring. With that, the model fits environments where data communications, cloud links and external devices come together in a single network architecture.
Management and configuration
For management, the RUT981 supports WebUI, FOTA, SSH, SMS, Call, TR-069, MQTT, SNMP, JSON-RPC and Teltonika Remote Management System. Through these management options, configuration, firmware updates, monitoring and remote access can be performed centrally. In addition, the model supports cloud integrations with ThingWorx, Cumulocity, Azure IoT Hub and AWS IoT Core. This makes the router suitable for professional environments where central and remote management are important.
Connectivity specifications
Mobile
- 4G LTE Cat 4 up to 150 DL / 50 UL Mbps
- 3G up to 42 DL / 5.76 UL Mbps
- 2G up to 236.8 DL / 236.8 UL Kbps
- 3GPP Release 10
- Consumer type eSIM
- Up to 7 eSIM profiles
- Dual SIM and eSIM switching scenarios.
- eSIM bootstrap for initial profile download
Wi-Fi
- 802.11b/g/n (Wi-Fi 4)
- 2×2 MIMO
- Access Point (AP)
- Station (STA)
- Up to 100 simultaneous connections
- Wireless mesh (802.11s)
- Fast roaming (802.11r)
- BSS transition management (802.11v)
- Radio resource measurement (802.11k)
Ethernet
- 1 x WAN port 10/100 Mbps
- 3 x LAN ports 10/100 Mbps
- IEEE 802.3, IEEE 802.3u, 802.3az
- Auto MDI/MDIX
Technical specifications
System
- Mediatek, 580 MHz, MIPS 24KEc
- 128 MB DDR2 RAM
- 32 MB NOR Flash
- RutOS (OpenWrt based Linux OS)
Network and security
- Static routing
- Dynamic routing
- Policy-based routing
Firewall
- NAT, NAT-T, NAT64
- Attack prevention
VLAN
- QoS / Smart Queue Management
- Hotspot and Hotspot 2.0
- Port Mirroring
- VPN and tunneling
- OpenVPN
- IPsec
- GRE
- PPTP
- L2TP
- Stunnel
- DMVPN
- SSTP
- ZeroTier
- WireGuard
- Tinc
- EoIP
- OpenConnect
I/O and power supply
- 1 x Digital Input
- 1 x Digital Output
- 4-pin industrial DC power socket
- 9 – 30 VDC
- Passive PoE over spare pairs via LAN1
- Idle: < 1.86 W
- Max: < 4.27 W
Environment and hardware
Housing
- Aluminum housing, plastic panels
- DIN rail, wall mount, flat surface with additional kit
Interfaces
- 2 x SMA for LTE
- 2 x RP-SMA for Wi-Fi antenna connectors
- 4 x RJ45 ports
- 2 x Mini SIM slots
- 1 x 4-pin power connector
Dimensions and weight
- 110 x 50 x 100 mm
- 268 g
Environmental specifications
- Operating temperature: -40 °C to 65 °C
- Operating humidity: 10% to 90% non-condensing
- IP30
Certifications
- CE, UKCA, EAC, UCRF, FCC, ISED (IC), RCM, CB
In the box
- RUT981
- Quick Start Guide
- 9 W UK PSU
- 2 x Mobile SMA antennas
- 2 x Wi-Fi SMA antennas
- Ethernet cable 1.5 m
- SIM adapter kit




