RUT951-ESIM specification sheet

Short Description

Long Description

Overview:

Industrial LTE Router for Reliable IoT Connectivity
The Teltonika RUT951-ESIM is a rugged industrial LTE Cat 4 router built to deliver dependable internet connectivity in demanding environments. Combining dual-SIM support, a consumer-type eSIM, Wi-Fi 4, and four Ethernet ports, it is designed for industrial automation, remote monitoring, transportation, smart city deployments, and other IoT applications. Powered by RutOS, the router offers extensive configuration options, automation capabilities, and enterprise-grade security to support business-critical networking.

Description:

The Teltonika RUT951-ESIM industrial router provides stable and secure internet access through LTE Cat 4 connectivity, dual-SIM redundancy, and integrated Wi-Fi. Designed for professional IoT deployments, it supports automatic failover, remote management, MQTT, Modbus, and multiple wired networking options. Its durable aluminium enclosure and industrial-grade power input make it ideal for challenging operating environments where reliable communication is essential.

Features:

Designed for Continuous Network Availability
Maintaining an uninterrupted connection is essential for industrial applications. The RUT951-ESIM supports dual-SIM functionality with automatic failover, backup WAN, and intelligent connection switching to minimise downtime. If the primary connection becomes unavailable, the router automatically switches to an available backup network to keep systems online.

Wireless connectivity is provided through an integrated Wi-Fi 4 access point with hotspot functionality, allowing compatible wireless devices to connect securely alongside wired equipment.

Built for Industrial IoT Applications
Powered by RutOS, the RUT951-ESIM delivers a flexible networking platform suitable for a wide variety of industrial environments. Support for MQTT and Modbus enables seamless integration into automation systems, remote monitoring platforms, and machine-to-machine communication.

Its robust aluminium housing provides durability for installations in factories, utility cabinets, transport systems, and outdoor enclosures.

Connectivity Highlights

• 4G LTE Cat 4 with download speeds up to 150 Mbps and upload speeds up to 50 Mbps
• Backward compatible with 3G and 2G mobile networks
• Dual-SIM support with integrated consumer-type eSIM
• Automatic WAN failover and backup connection switching
• Wi-Fi 4 wireless access point with hotspot capability

Network Interfaces

• 1 x Ethernet WAN port with PoE-in
• 3 x Ethernet LAN ports with PoE-out
• 2 x SMA connectors for LTE antennas
• 2 x RP-SMA connectors for Wi-Fi antennas

Industrial Integration
The router is designed to integrate with industrial systems through built-in digital input and output interfaces, making it suitable for automation and remote control applications.

Key hardware includes:

• 1 x Digital Input
• 1 x Digital Output on the 4-pin power connector
• 4-pin industrial DC power connector
• 48 to 57 VDC input range for PoE operation
• Durable aluminium enclosure

Ideal Deployment Scenarios
The Teltonika RUT951-ESIM is well suited for:

• Industrial automation
• Remote asset monitoring
• Smart city infrastructure
• Transportation and fleet connectivity
• Security and surveillance systems
• Energy and utility installations
• Retail and kiosk networking

Technical Summary

• Part Number / SKU: RUT951-ESIM
• LTE Category: Cat 4
• Maximum LTE Speed: 150 Mbps download / 50 Mbps upload
• Mobile Networks: 4G LTE, 3G, 2G
• SIM Support: Dual SIM plus consumer-type eSIM
• Wireless Standard: Wi-Fi 4
• Ethernet Ports: 1 x WAN PoE-in, 3 x LAN PoE-out
• Protocol Support: MQTT, Modbus
• Digital I/O: 1 Digital Input, 1 Digital Output
• Antenna Connectors: 2 x SMA (LTE), 2 x RP-SMA (Wi-Fi)
• Power Connector: 4-pin Industrial DC
• Input Voltage: 48-57 VDC for PoE
• Housing: Aluminium

The Teltonika RUT951-ESIM (Part Number: RUT951-ESIM) delivers reliable industrial networking by combining LTE connectivity, dual-SIM resilience, advanced RutOS management, Wi-Fi access, and flexible Ethernet connectivity in a durable industrial-grade platform.

Specifications:

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Specifications
Product Code	RUT951-ESIM
Mobile
Mobile module	4G LTE Cat 4 up to 150 DL/50 UL Mbps , 3G up to 21 DL/5.76 UL Mbps , 2G up to 236.8 DL/236.8 UL kbps
3GPP Release	Release 10/11 depending on the hardware version
eSIM	Consumer type eSIM, profile download and removal operations, up to 7 eSIM profiles , does not include data plans
	*Feature availability varies by order code
SIM switch	2 SIM cards, auto-switch cases: weak signal, data limit, SMS limit, roaming, no network, network denied, data connection fail, SIM idle protection
	*Feature availability varies by order code
Status	IMSI, ICCID, operator, operator state, data connection state, network type, bandwidth, connected band, signal strength (RSSI), SINR, RSRP, RSRQ, EC/IO, RSCP, data sent/received, LAC, TAC, cell ID, ARFCN, UARFCN, EARFCN, MCC, and MNC
SMS	SMS status, SMS configuration, EMAIL to SMS, SMS to EMAIL, SMS to HTTP, SMS to SMS, scheduled SMS, SMS autoreply, SMPP
USSD	Supports sending and reading Unstructured Supplementary Service Data messages
Block/Allow list	Operator block/allow list (by country or separate operators)
Multiple PDN	Possibility to use different PDNs for multiple network access and services
Band management	Band lock, Used band status display
SIM PIN code management	SIM PIN code management enables setting, changing, or disabling the SIM card's PIN
APN	Auto APN
Bridge	Direct connection (bridge) between mobile ISP and device on LAN
Passthrough	Router assigns its mobile WAN IP address to another device on LAN
Wireless
Wireless mode	802.11b/g/n (Wi-Fi 4), Access Point (AP), Station (STA)
Wi-Fi security	WPA2-Enterprise: PEAP, WPA2-PSK, WPA-EAP, WPA-PSK, WPA3-SAE, WPA3-EAP, OWE , AES-CCMP, TKIP, Auto-cipher modes, client separation, EAP-TLS with PKCS#12 certificates, disable auto-reconnect, 802.11w Protected Management Frames (PMF)
SSID/ESSID	SSID stealth mode and access control based on MAC address
Wi-Fi users	Up to 100 simultaneous connections
Wireless Connectivity Features	Wireless mesh (802.11s), fast roaming (802.11r), Relayd, BSS transition management (802.11v), radio resource measurement (802.11k)
Wireless MAC filter	Allowlist, blocklist
Wireless QR code generator	Once scanned, a user will automatically enter your network without needing to input login information
TravelMate	Forward Wi-Fi hotspot landing page to a subsequent connected device
Ethernet
WAN	1 x WAN port 10/100 Mbps, compliance IEEE 802.3, IEEE 802.3u, 802.3az standards, supports auto MDI/MDIX
LAN	3 x LAN ports, 10/100 Mbps, compliance IEEE 802.3, IEEE 802.3u standards, supports auto MDI/MDIX
Network
Routing	Static routing, Dynamic routing (BGP, OSPF v2, RIP v1/v2, EIGRP, NHRP), Policy based routing
Network protocols	TCP, UDP, IPv4, IPv6, ICMP, NTP, DNS, HTTP, HTTPS, SFTP, FTP, SMTP, SSL/TLS, ARP, VRRP, PPP, PPPoE, UPNP, SSH, DHCP, Telnet, SMPP, SNMP, MQTT, Wake On Lan (WOL), VXLAN
VoIP passthrough support	H.323 and SIP-alg protocol NAT helpers, allowing proper routing of VoIP packets
Connection monitoring	Ping Reboot, Wget Reboot, Periodic Reboot, LCP and ICMP for link inspection
Firewall	Port forward, traffic rules, custom rules, TTL target customisation
Firewall status page	View all your Firewall statistics, rules, and rule counters
Port management	View device ports, enable and disable each of them, turn auto-configuration on or off, change their transmission speed, and so on
Network topology	Visual representation of your network, showing which devices are connected to which other devices
Hotspot	Captive portal (hotspot), internal/external Radius server, Radius MAC authentication, SMS authorisation, SSO authentication, internal/external landing page, walled garden, user scripts, URL parameters, user groups, individual user or group limitations, user management, 9 default customisable themes and optionality to upload and download customised hotspot themes
DHCP	Static and dynamic IP allocation, DHCP relay, DHCP server configuration, status, static leases: MAC with wildcards
QoS / Smart Queue Management (SQM)	Traffic priority queuing by source/destination, service, protocol or port, WMM, 802.11e
DDNS	Supported >77 service providers, others can be configured manually
DNS over HTTPS	DNS over HTTPS proxy enables secure DNS resolution by routing DNS queries over HTTPS
Network backup	Wi-Fi WAN, Mobile, VRRP, Wired options, each of which can be used as an automatic Failover
Load balancing	Balance Internet traffic over multiple WAN connections
SSHFS	Possibility to mount remote file system via SSH protocol
Traffic Management	Real-time monitoring, wireless signal charts, traffic usage history&#-257;
Port Mirroring	Mirroring network traffic on Ethernet ports for monitoring and analysis
Security
Authentication	Pre-shared key, digital certificates, X.509 certificates, TACACS+, Internal & External RADIUS users authentication, IP & login attempts block, time-based login blocking, built-in random password generator
Firewall	Preconfigured firewall rules can be enabled via WebUI, unlimited firewall configuration via CLI, DMZ, NAT, NAT-T, NAT64
Attack prevention	DDOS prevention (SYN flood protection, SSH attack prevention, HTTP/HTTPS attack prevention), port scan prevention (SYN-FIN, SYN-RST, X-mas, NULL flags, FIN scan attacks)
VLAN	Port and tag-based VLAN separation
Mobile quota control	Mobile data limit, customizable period, start time, warning limit, phone number
WEB filter	Block list for blocking out unwanted websites, allow list for specifying allowed sites only
Access control	Flexible access control of SSH, Web interface, CLI and Telnet
Certificate Manager	Certificate creation tool allows to create CA, server, client, let's encrypt, SCEP certificates
VPN
OpenVPN	Multiple clients and a server can run simultaneously, 27 encryption methods
OpenVPN Encryption	DES-CBC 64, RC2-CBC 128, DES-EDE-CBC 128, DES-EDE3-CBC 192, DESX-CBC 192
	BF-CBC 128, RC2-40-CBC 40, CAST5-CBC 128, RC2-64-CBC 64, AES-128-CBC 128, AES-128-CFB 128, AES-128-CFB1 128, AES-128-CFB8 128, AES-128-OFB 128, AES-128-GCM 128, AES-192-CFB 192, AES-192-CFB1 192, AES-192-CFB8 192, AES-192-OFB 192, AES-192-CBC 192, AES-192-GCM 192, AES-256-GCM 256, AES-256-CFB 256, AES-256-CFB1 256, AES-256-CFB8 256, AES-256-OFB 256, AES-256-CBC 256
IPsec	XFRM, IKEv1, IKEv2, with 14 encryption methods for IPsec (3DES, DES, AES128, AES192, AES256, AES128GCM8, AES192GCM8, AES256GCM8, AES128GCM12, AES192GCM12, AES256GCM12, AES128GCM16, AES192GCM16, AES256GCM16)
GRE	GRE tunnel, GRE tunnel over IPsec support
PPTP, L2TP	Client/Server instances can run simultaneously, L2TPv3, L2TP over IPsec support
Stunnel	Proxy designed to add TLS encryption functionality to existing clients and servers without any changes in the program's code
DMVPN	Method of building scalable IPsec VPNs, Phase 2 and Phase 3 and Dual Hub support
SSTP	SSTP client instance support
ZeroTier	ZeroTier VPN client support
WireGuard	WireGuard VPN client and server support
Tinc	Tinc offers encryption, authentication and compression in it's tunnels. Client and server support.
OPC UA
Supported modes	Client, Server
Supported connection types	TCP
MODBUS
Supported modes	Server, Client
Supported connection types	TCP
Custom registers	MODBUS TCP custom register block requests, which read/write to a file inside the router, and can be used to extend MODBUS TCP Client functionality
Supported data formats	8-bit: INT, UINT , 16-bit: INT, UINT (MSB or LSB first) , 32-bit: float, INT, UINT (ABCD (big-endian), DCBA (little-endian), CDAB, BADC), HEX, ASCII
Data to Server
Protocol	HTTP(S), MQTT, Azure MQTT
Data to server	Extract parameters from multiple sources and different protocols, and send them all to a single server , Custom LUA scripting, allowing scripts to utilize the router's Data to server feature
MQTT Gateway
Modbus MQTT Gateway	Allows sending commands and receiving data from MODBUS Server through MQTT broker
DNP3
Supported modes	Station, Outstation
Supported connection	TCP
DLMS/COSEM
DLMS Support	DLMS - standard protocol for utility meter data exchange
Supported modes	Client
Supported connection types	TCP
API
Teltonika Networks Web API (beta) support	Expand your device's possibilities by using a set of configurable API endpoints to retrieve or change data. For more information, please refer to this documentation: https: / / developers.teltonika-networks.com
Monitoring & Management
WEB UI	HTTP/HTTPS, status, configuration, FW update, CLI, troubleshoot, multiple event log servers, firmware update availability notifications, event log, system log, kernel log, Internet status
FOTA	Firmware update from server, automatic notification
SSH	SSH (v1, v2)
SMS	SMS status, SMS configuration
Call	Reboot, Status, Mobile data on/off, Output on/off, answer/hang-up with a timer, Wi-Fi on/off
TR-069	OpenACS, EasyCwmp, ACSLite, tGem, LibreACS, GenieACS, FreeACS, LibCWMP, Friendly tech, AVSystem
MQTT	MQTT Broker, MQTT publisher
SNMP	SNMP (v1, v2, v3), SNMP Trap, Brute force protection
JSON-RPC	Management API over HTTP/HTTPS
RMS	Teltonika Remote Management System (RMS)
IoT Platforms
ThingWorx	Allows monitoring of: WAN Type, WAN IP, Mobile Operator Name, Mobile Signal Strength, Mobile Network Type
Cumulocity - Cloud of Things	Allows monitoring of: Device Model, Revision and Serial Number, WAN Type and IP, Mobile Cell ID, ICCID, IMEI, Connection Type, Operator, Signal Strength. Has reboot and firmware upgrade actions
Azure IoT Hub	Can be configured with Data to Server to send all the available parameters to the cloud. Has Direct method support which allows to execute RutOS API calls on the IoT Hub. Also has Plug and Play integration with Device Provisioning Service that allows zero-touch device provisioning to IoT Hubs
AWS IoT Core	Utility to interact with the AWS cloud platform. Jobs Support: Call the device's API using AWS Jobs functionality
System Characteristics
CPU	Mediatek, 580 MHz, MIPS 24KEc
RAM	128 MB, DDR2
FLASH storage	16 MB, SPI Flash
Firmware/Configuration
WEB UI	Update FW from file, check FW on server, configuration profiles, configuration backup
FOTA	Update FW
RMS	Update FW/configuration for multiple devices at once
Keep settings	Update FW without losing current configuration
Factory settings reset	A full factory reset restores all system settings, including the IP address, PIN, and user data to the default manufacturer's configuration
FIRMWARE CUSTOMISATION
Operating system	RutOS (OpenWrt based Linux OS)
Supported languages	Busybox shell, Lua, C, C++
Development tools	SDK package with build environment provided
GPL customization	You can create your own custom, branded firmware and web page application by changing colours, logos, and other elements in our firmware to fit your or your clients' needs
Package Manager	The Package Manager is a service used to install additional software on the device
Input/Output
Input	1 x Digital Input, 0 - 6 V detected as logic low, 8 - 30 V detected as logic high
Output	1 x Digital Output, Open collector output, max output 30 V, 300 mA
Events	Email, RMS, SMS
I/O juggler	Allows to set certain I/O conditions to initiate event
Power
Connector	4-pin industrial DC power socket
Input voltage range	9 - 30 VDC, reverse polarity protection , surge protection >31 VDC 10us max
PoE (passive)	Passive PoE over spare pairs. Possibility to power up through LAN1 port, not compatible with IEEE802.3af, 802.3at and 802.3bt standards, Mode B, 9 - 30 VDC
Power consumption	< 2 W idle, < 7 W Max
Physical Interfaces
Ethernet	4 x RJ45 ports, 10/100 Mbps
I/O's	1 x Digital Input, 1 x Digital Output on 4-pin power connector
Status LEDs	1 x Bi-color connection status, 5 x Mobile connection strength, 4 x ETH status, 1 x Power
SIM	2 x SIM slots (Mini SIM - 2FF), 1.8 V/3 V, external SIM holders
Antennas	2 x SMA for LTE, 2 x RP-SMA for Wi-Fi antenna connectors
Reset	Reboot/User default reset/Factory reset button
Physical Specification
Casing material	Aluminium housing, plastic panels
Dimensions (W x H x D)	110 x 50 x 100 mm
Weight	287 g
Mounting options	DIN rail, wall mount, flat surface (all require additional kit)
Operating Environment
Operating temperature	-40 degreesC to 75 degreesC
Operating humidity	10% to 90% non-condensing
Ingress Protection Rating	IP30
Regulatory & Type Approvals
Regulatory	CE, UKCA, ANRT, Kenya, CITC, ICASA, FCC, IC, PTCRB, RCM, Giteki, ECE R118, E-mark, CB, UL/CSA Safety, RoHS, REACH, C1D2, ETA-WPC, MTCTE
Operator	AT&T, Verizon, T-Mobile
EMC Emissions & Immunity
Standards	EN 55032:2015 + A11:2020
	EN 55035:2017 + A11:2020
	EN IEC 61000-3-2:2019 + A1:2021
	EN 61000-3-3:2013 + A1:2019
	EN 301 489-1 V2.2.3
	EN 301 489-17 V3.2.4
	EN 301 489-52 V1.2.1
ESD	EN 61000-4-2:2009
Radiated Immunity	EN 61000-4-3:2020
EFT	EN 61000-4-4:2012
Surge Immunity (AC Mains Power Port)	EN 61000-4-5:2014 + A1:2017
CS	EN 61000-4-6:2014
DIP	EN 61000-4-11:2020
RF
Standards	EN 300 328 V2.2.2
	EN 301 511 V12.5.1
	EN 301 908-1 V15.2.1
	EN 301 908-2 V13.1.1
	EN 301 908-13 V13.2.1
Safety
Standards	CE: EN IEC 62368-1:2020 + A11:2020, EN IEC 62311:2020, EN 50665:2017
	RCM: AS/NZS 62368.1:2022
	CB: IEC 62368-1:2018
	UL/CSA Safety: UL 62368-1 (3rd Ed, Rev. December 13, 2019), C22.2 No. 62368-1:19 (3rd Ed, Rev. December 13, 2019)
Safety (Ordinary Locations)
Standards	CE: EN IEC 62368-1:2020 + A11:2020, EN IEC 62311:2020, EN 50665:2017
	RCM: AS/NZS 62368.1:2022
	CB: IEC 62368-1:2018
	UL/CSA Safety: UL 62368-1 (3rd Ed, Rev. December 13, 2019), C22.2 No. 62368-1:19 (3rd Ed, Rev. December 13, 2019)
Safety (Hazardous Locations)
Standards	UL/CSA Safety: UL 121201, 9th Ed, Rev. April 1, 2021, CAN/CSA C22.2 No. 213, 3rd Ed. April 2021
Hazardous Environments	Class I, Division 2, Groups A, B, C, D
	Class I, Zone 2, Group IIC
	-40degreesC ≤ Ta ≤ 75degreesC, T4, IP30