Teltonika TRB246 Industrial Dual-SIM LTE Gateway to I/O / Ethernet / RS232 / RS485, 2 SIM cards, 1 x Ethernet LAN RJ45 Port, 3 x configurable Digital I/O in 16 pin Terminal Block, 1 x 16 pin Terminal Block Power, 1 x SMA connector for LTE, 1 x SMA connector for GNSS, RS232, RS485, 3 x Digital Input, 3 x Digital Output
Specifications & more information about TTK-TRB246, Wireless Routers (SIM / 5G / 4G / LTE / 3G) manufactured by Teltonika
Specifications available as a download
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Overview:
TRB246 INDUSTRIAL IoT GATEWAY The TRB246 is an industrial 4G LTE gateway equipped with I/Os, RS232, RS485, and Ethernet interfaces for IoT solutions requiring versatility and reliable M2M communication support. This gateway has dual SIM functionality and supports multiple protocols, like DNP3, DLMS, and Modbus, vital for ensuring smooth data transmission. Encased in aluminium housing, this industrial-grade IoT gateway can tolerate extreme environmental conditions in manufacturing, agriculture, or construction.
CONNECTIVITY 4G/LTE (Cat 4), 3G, 2G
DUAL SIM Auto-failover, backup WAN, and more switching scenarios
INTERFACES Ethernet, I/Os, and serial (RS232, RS485 ) interfaces with 16-pin terminal block
PROTOCOLS Supports DNP3, DLMS, Modbus, and other communication protocols
2 SIM cards, auto-switch cases: weak signal, data limit, SMS limit, on roaming, no network, network denied, data connection fail
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, send/read SMS via HTTP POST/GET, 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
Black/White list
Operator black/white 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 idle protection service
When working with devices with two SIM slots, the one not currently in use will remain idle until the device switches to it, meaning that no data is used on the card until then
APN
Auto APN
Bridge
Direct connection (bridge) between mobile ISP and device on LAN
Passthrough
Gateway assigns its mobile WAN IP address to another device on LAN
ETHERNET
Ethernet
1 x ETH port, 10/100 Mbps, compliance with IEEE 802.3, IEEE 802.3u, 802.3az standards, supports auto MDI/MDIX crossover
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)
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
Firewall status page
View all your Firewall statistics, rules, and rule counters
Ports 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, 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 >25 service providers, others can be configured manually
Network backup
Mobile, VRRP, Wired options, each of which can be used as an automatic Failover
SSHFS
Possibility to mount remote file system via SSH protocol
SECURITY
Authentication
Pre-shared key, digital certificates, X.509 certificates, TACACS+, Radius, IP & login attempts block, time-based login blocking, built-in random password generator
Firewall
Pre-configured firewall rules can be enabled via WebUI, unlimited firewall configuration via CLI, DMZ, NAT, NAT-T
Extract parameters from multiple sources and different protocols, and send them all to a single server
MQTT GATEWAY
MODBUS MQTT Gateway
Allows sending commands and receiving data from MODBUS Server through MQTT broker
DNP3
Supported modes
Station, Outstation
Supported connection types
RS232, RS485, TCP
DLMS
DLMS Support
DLMS - standard protocol for utility meter data exchange. Support trough serial and 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, send/read SMS via HTTP POST/GET
Call
Reboot, Status, Mobile data on/off, Output on/off, answer/hang-up with a timer
Allows monitoring of: Device data, Mobile data, Network info, Availability
ThingWorx
Allows monitoring of: WAN Type, WAN IP, Mobile Operator Name, Mobile Signal Strength, Mobile Network Type
Cumulocity
Allows monitoring of: Device Model, Revision and Serial Number, WAN Type and IP, Mobile Cell ID, ICCID, IMEI, Connection Type, Operator, Signal Strength
Azure IoT Hub
Can send device IP, Number of bytes send/received, Temperature, PIN count to Azure IoT Hub server, Mobile connection state, Network link state, IMEI, ICCID, Model, Manufacturer, Serial, Revision, IMSI, SIM State, PIN state, GSM signal, WCDMA RSCP, WCDMA EC/IO, LTE RSRP, LTE SINR, LTE RSRQ, CELL ID, Operator, Operator number, Connection type
SYSTEM CHARACTERISTICS
CPU
Mediatek, 580 MHz, MIPS 24KEc
RAM
128 MB
FLASH storage
16 MB
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.
LOCATION TRACKING
GNSS
GPS, GLONASS, BeiDou, Galileo and QZSS
Coordinates
GNSS coordinates via WebUI, SMS, TAVL, RMS
NMEA
NMEA 0183
NTRIP
NTRIP protocol (Networked Transport of RTCM via Internet Protocol)
The best price and guaranteed service and backup from official computer suppliers in South Africa for the TTK-TRB246 Teltonika TRB246 Industrial Dual-SIM LTE Gateway to I/O / Ethernet / RS232 / RS485.
The Teltonika
TTK-TRB246Teltonika TRB246 Industrial Dual-SIM LTE Gateway to I/O / Ethernet / RS232 / RS485 is available for R3560. The product is sold by ComX Computers as new. Prices are valid today 2026-08-12 (before , by quote, while stocks last). The product is expected to be in stock, although this is not guaranteed.
Available from this online computer store delivering door-to-door in Johannesburg, Cape Town, Port Elizabeth, Pretoria, Pietermaritzburg, Polokwane, Durban and all over South Africa.
Find related TTK-TRB246 Teltonika TRB246 Industrial Dual-SIM LTE Gateway to I/O / Ethernet / RS232 / RS485 products in our Wireless Routers (SIM / 5G / 4G / LTE / 3G) Category for even more options. Read reviews and find out about TTK-TRB246 Teltonika TRB246 Industrial Dual-SIM LTE Gateway to I/O / Ethernet / RS232 / RS485. Discounts, specials and cheap prices only at ComX Computers.