







RUTM51
The RUTM51 is a budget-friendly dual-SIM, multi-network industrial 5G router delivering connectivity for data-heavy applications. With five Gigabit Ethernet ports, dual-band Wi-Fi, and auto-failover, it ensures seamless, reliable performance. Backward compatibility with 4G Cat 12 and a versatile range of interfaces make the RUTM51 5G router a smart, future-proof choice for businesses seeking high-speed connectivity at a lower cost.
MOBILE MODULE
The device supports 5G Sub-6GHz SA with download speeds of 2 Gbps DL and upload speeds of 1 Gbps UL, and NSA with 2.6 Gbps DL and 650 Mbps UL. 4G LTE Cat 12 provides 600 Mbps downlink and Cat 13 up to 150 Mbps uplink. 3G connectivity offers 42.2 Mbps downlink and 11 Mbps uplink.
3GPP RELEASE
Release 15.
SIM SWITCH
Supports 2 SIM cards with automatic switching in cases of weak signal, data limit, SMS limit, roaming, no network, network denied, data connection failure, and SIM idle protection.
STATUS
Status reporting includes IMSI, ICCID, operator, operator state, data connection state, network type, CA indicator, 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
Supports SMS status, configuration, EMAIL to SMS, SMS to EMAIL, SMS to HTTP, SMS to SMS, scheduled SMS, SMS autoreply, and SMPP.
USSD
Supports sending and reading Unstructured Supplementary Service Data messages.
BLOCK/ALLOW LIST
Operator block or allow list by country or individual operators.
BAND MANAGEMENT
Includes band lock and used band status display.
SIM IDLE PROTECTION SERVICE
Allows configuration to periodically switch to the unused SIM card and establish a data connection to prevent SIM card blockage.
SIM PIN CODE MANAGEMENT
Enables setting, changing, or disabling the SIM card’s PIN.
APN
Auto APN support.
BRIDGE
Provides a 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
Supports 802.11b/g/n/ac Wave 2 (Wi-Fi 5) with data rates up to 867 Mbps (Dual Band, MU-MIMO), 802.11r fast transition, Access Point (AP), and Station (STA).
Wi-Fi Security
Supports 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, and 802.11w Protected Management Frames (PMF).
SSID/ESSID
Supports SSID stealth mode and access control based on MAC address.
Wi-Fi Users
Supports up to 150 simultaneous connections.
Wireless Connectivity Features
Supports wireless mesh (802.11s), fast roaming (802.11r), Relayd, BSS transition management (802.11v), and radio resource measurement (802.11k).
Wireless MAC Filter
Allowlist and blocklist support.
Wireless QR Code Generator
Automatically allows users to connect by scanning the QR code.
TravelMate
Forwards Wi-Fi hotspot landing page to a subsequently connected device.
ETHERNET
WAN
1 x WAN port, 10/100/1000 Mbps, compliant with IEEE 802.3, 802.3u, 802.3az standards, supports auto MDI/MDIX crossover.
LAN
4 x LAN ports, 10/100/1000 Mbps, compliant with IEEE 802.3, 802.3u, 802.3az standards, supports auto MDI/MDIX crossover.
NETWORK
Routing
Supports static routing and dynamic routing (BGP, OSPF v2, RIP v1/v2, EIGRP, NHRP), as well as 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
Supports H.323 and SIP-ALG protocol NAT helpers.
Connection Monitoring
Ping Reboot, Wget Reboot, Periodic Reboot, LCP and ICMP link inspection.
Firewall
Port forward, traffic rules, custom rules, TTL target customization.
Firewall Status Page
View all firewall statistics, rules, and rule counters.
Port Management
View and configure device ports, enable/disable ports, adjust speed, and manage auto-configuration.
Network Topology
Visual representation of device connections in the network.
DHCP
Static and dynamic IP allocation, DHCP relay, server configuration, status, static leases with MAC wildcards.
QoS / Smart Queue Management (SQM)
Traffic priority queuing by source/destination, service, protocol, or port, WMM, 802.11e.
DDNS
Supports over 77 service providers with manual configuration option.
DNS Over HTTPS
Enables secure DNS resolution over HTTPS.
Network Backup
Supports Wi-Fi WAN, Mobile, VRRP, and Wired automatic failover.
Load Balancing
Balances internet traffic across multiple WAN connections.
Hotspot
Captive portal, internal/external Radius server, Radius MAC authentication, SMS authorization, SSO authentication, internal/external landing page, walled garden, user scripts, URL parameters, user groups, individual limitations, user management, 9 default themes, customizable hotspot themes.
SSHFS
Mount remote file systems via SSH protocol.
VRF Support
Supports initial virtual routing and forwarding (VRF).
TRAFFIC MANAGEMENT
Real-time monitoring, wireless signal charts, and traffic usage history.
SECURITY
Authentication
Pre-shared key, digital certificates, X.509, TACACS+, internal & external RADIUS, IP & login attempt blocking, time-based login blocking, built-in random password generator.
Firewall
Preconfigured firewall rules via WebUI, unlimited CLI configuration, DMZ, NAT, NAT-T, NAT64.
Attack Prevention
DDOS prevention, port scan prevention (SYN-FIN, SYN-RST, X-mas, NULL, FIN scan).
VLAN
Port and tag-based VLAN separation.
Mobile Quota Control
Mobile data limit configuration with customizable period, start time, warning limit, and phone number.
WEB Filter
Blacklist for blocking websites, whitelist for allowed sites.
Access Control
Flexible access for SSH, Web UI, CLI, and Telnet.
Certificate Manager
Create CA, server, client, Let’s Encrypt, SCEP certificates.
802.1x
Port-based network access control client.
VPN
OpenVPN
Multiple clients and server simultaneously, 27 encryption methods.
IPsec
XFRM, IKEv1/IKEv2 with 14 encryption methods.
GRE
GRE tunnel and GRE over IPsec support.
PPTP, L2TP
Client/Server instances simultaneously, L2TPv3, L2TP over IPsec support.
Stunnel
Adds TLS encryption functionality to existing clients/servers.
DMVPN
Supports Phase 2/3 and dual hub scalable IPsec VPNs.
SSTP
SSTP client support.
ZeroTier, WireGuard, Tinc, Tailscale
Supports client and server, encryption, authentication, compression, and point-to-point secure connections.
OPC UA
Client and server support over TCP.
MODBUS
Client and server support over TCP and USB, with custom register blocks and multiple data formats.
DATA TO SERVER
Supports HTTP(S), MQTT, Azure MQTT; extract parameters from multiple sources, send to a server, custom LUA scripting.
MQTT Gateway
Supports Modbus MQTT Gateway for sending commands to MODBUS server.
DNP3
Station and Outstation modes, TCP/USB support.
DLMS/COSEM
DLMS client support over TCP.
API
Teltonika Networks Web API (beta) for data retrieval and control.
MONITORING & MANAGEMENT
WEB UI
HTTP/HTTPS, status, configuration, FW update, CLI, troubleshooting, event logs, Internet status.
FOTA
Firmware update from server with automatic notification.
SSH
SSH v1/v2 access.
SMS & Call
SMS configuration/status, call control, reboot, mobile/Wi-Fi on/off, output control, answer/hang-up with timer.
TR-069
OpenACS, EasyCwmp, ACSLite, tGem, LibreACS, GenieACS, FreeACS, LibCWMP, Friendly tech, AVSystem.
MQTT
Broker and publisher support.
SNMP
v1/v2/v3, SNMP Trap, brute force protection.
JSON-RPC
Management API over HTTP/HTTPS.
MODBUS
MODBUS TCP status/control.
RMS
Teltonika Remote Management System support.
IoT Platforms
ThingWorx, Cumulocity, Azure IoT Hub, AWS IoT Core support with monitoring and remote management features.
SYSTEM CHARACTERISTICS
CPU: MediaTek dual-core 880 MHz, MIPS1004Kc. RAM: 256 MB DDR3. FLASH: 16 MB NOR, 256 MB NAND.
FIRMWARE / CONFIGURATION
WEB UI and FOTA support, configuration backup, RMS update, factory reset, firmware customization with RutOS, SDK, Busybox, Lua, C/C++, and Package Manager.
USB
USB 2.0 with Samba share, USB-to-serial, external HDD, flash drive, modem, printer, USB-serial adapter support; storage formats FAT/FAT32/exFAT/NTFS/ext2/3/4.
INPUT / OUTPUT
1 x Digital Input, 1 x Digital Output, event triggering via Email, RMS, SMS, I/O juggler.
POWER
4-pin industrial DC socket, 9–50 VDC, reverse polarity and surge protection; PoE passive 9–50 VDC; idle <5 W, max <18 W.
PHYSICAL INTERFACES
5 x RJ45 Ethernet, 1 x USB A, 2 SIM slots (Mini SIM), 4-pin power connector, 4 x SMA Mobile, 2 x RP-SMA Wi-Fi.
PHYSICAL SPECIFICATION
Aluminium housing, dimensions 132 x 44.2 x 95 mm, weight 525 g, mounting: DIN rail, wall, flat surface.
OPERATING ENVIRONMENT
Temperature -40 °C to 75 °C, humidity 10–90% non-condensing, ingress IP30.
REGULATORY & TYPE APPROVALS
CE, UKCA, EAC, UCRF, RCM, WEEE, CB, UN ECE R10 (E-mark).
EMC EMISSIONS & IMMUNITY
Standards: EN 55032, EN 55035, EN 61000-3-2/3, EN 301 489 series, AS/NZS CISPR 32. ESD, Radiated Immunity, EFT, Surge, CS, DIP, RF compliance.
RF
Standards: EN 300 328 V2.2.2, EN 301 893 V2.1.1, EN 300 440 V2.2.1, EN 301 908 series, AS/NZS 4268, AS/CA S042 series, FCC Part 22.
SAFETY
Standards: EN IEC 62311:2020, EN IEC 62368-1:2020+A11:2020, AS/NZS 2772.2:2016+A1:2018.
High-Performance Industrial Cellular Routers
Carrier-grade throughput and low-latency routing for enterprise IoT, M2M telematics and critical connectivity.
Industrial-Grade Reliability & Durability
Rugged hardware and tested tolerance to extreme temperature, vibration and electrical noise for continuous operation.
Seamless Failover & Multi-WAN Connectivity
Dual SIM/eSIM, Ethernet redundancy and smart routing ensure uninterrupted service and automatic carrier failover.
Enterprise Security & Managed Network Support
Hardened firmware, VPN/MPLS support and professional managed services to protect data and simplify deployments.