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Teltonika TRB245 Industrial M2M LTE Gateway

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13/03/2021 £144.90 exc. VAT
173.88 inc. VAT
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Key Features
  • 4G/LTE (Cat 4), 3G, 2G connectivity
  • Dual SIM with auto failover
  • RS232/RS485 serial communication interfaces

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Teltonika TRB245 Industrial M2M LTE Gateway

The Teltonika TRB245 is an Industrial LTE Cat 4 gateway which packs in all essential features for any industry: fast and reliable internet connection, combination of Ethernet and serial communication, secure power connector, I/O ports, and time synchronisation services. TRB245 can be used to integrate modern and legacy industrial equipment in one solution via RS232 or RS485 interfaces. A wide range of software features like SMS control, Firewall, OpenVPN, IPSec, RMS ensures that data can be reached securely. Dual SIM functionality with auto-failover and a backup WAN ensure stable connectivity even if the primary connection is lost.

Teltonika TRB245 Key Features

  • 4G/LTE (Cat 4), 3G, 2G connectivity
  • Dual SIM with auto failover, backup WAN and other switching scenarios
  • RS232/RS485 serial communication interfaces
  • Wide range of supported power supply voltages
  • Multiple Inputs and Outputs for remote monitoring and control
  • Global Navigation Satellite System for location services with geofencing functionality
Teltonika TRB245 Technical Specifications


  • Mobile module: 4G (LTE) – Cat 4 up to 150 Mbps, 3G – Up to 42 Mbps, 2G – Up to 236.8 kbps
  • SIM Switch: 2 SIM cards, auto-switch cases: weak signal, data limit, SMS limit, on roaming, no network, network denied, data connection fail
  • Status: Signal strength, Connected band, SINR, RSRP, RSRQ, Bytes sent/received
  • Bridge: Direct connection (bridge) between mobile ISP and device on LAN
  • SMS: SMS status, SMS configuration, send/read SMS via HTTP POST/GET, EMAIL to SMS (planned), SMS to EMAIL (planned), SMS to HTTP (planned), SMS to SMS (planned), scheduled SMS (planned), SMS autoreply (planned)
  • Black/White list (planned): Operator black/white list
  • Multiple PDN (planned): Possibility to use different PDNs for multiple network access and services
  • Band management: Used band status display, Band lock (planned)
  • APN: Auto APN


  • LAN: 1 x LAN port 10/100 Mbps, comply IEEE 802.3, IEEE 802.3u standards, supports auto MDI/MDIX


  • Routing: Static routing, Dynamic routing (BGP, OSPF v2, RIP v1/v2) (planned)
  • Network protocols: TCP, UDP, IPv4, IPv6, ICMP, NTP, DNS, HTTP, HTTPS, FTP, SMTP, SSL v3, TLS, ARP, PPP (planned), SSH, DHCP, Telnet, MQTT (planned), Wake On Lan (WOL) (planned)
  • VoIP passthrough support (planned): H.323 and SIP-alg protocol NAT helpers, allowing proper routing of VoIP packets
  • Connection monitoring: Ping Reboot, Periodic Reboot, LCP and ICMP for link inspection
  • Firewall: Port forward, traffic rules, custom rules
  • QoS / Smart Queue Management (SQM) (planned): Traffic priority queuing by source/destination, service, protocol or port, WMM, 802.11e
  • DDNS (planned): Supported >25 service providers, others can be configured manually
  • SSHFS (planned): Possibility to mount remote file system via SSH protocol


  • Authentication: Pre-shared key, digital certificates, X.509 certificates
  • Firewall: Pre-configured firewall rules can be enabled via WebUI, unlimited firewall configuration via CLI; DMZ; NAT; NAT-T
  • Attack prevention (planned): 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 (planned): Tag based VLAN separation
  • Mobile quota control: Custom data limits for both SIM cards
  • WEB filter (planned): Blacklist for blocking out unwanted websites, Whitelist for specifying allowed sites only
  • Access control: Flexible access control of TCP, UDP, ICMP packets, MAC address filter


  • OpenVPN: Multiple clients and server can be running simultaneously, 12 encryption methods
  • IPsec: IKEv1, IKEv2, with 5 encryption methods (DES, 3DES, AES128, AES192, AES256)
  • PPTP, L2TP: Client/Server services can run simultaneously
  • DMVPN (planned): Method of building scalable IPsec VPNs
  • GRE (planned): GRE tunnel

Serial Communication Modes

  • Modes: Console, OverIP, Modem (planned), Modbus RTU master, Modbus gateway, NTRIP client (planned)

Modbus TCP Slave

  • ID filtering: Respond to one ID in range [1;255] or any
  • Allow remote access: Allow access through WAN
  • Custom registers: Modbus TCP custom register block, which allows to read/write to a file inside the router, and can be used to extend Modbus TCP slave functionality

Modbus TCP Master

  • Supported functions: 01, 02, 03, 04, 05, 06, 15, 16
  • 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)

Modbus RTU Master

  • Supported baud rates: From 300 to 3000000
  • Supported functions: 01, 02, 03, 04, 05, 06, 15, 16
  • 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)
  • Number of data bits: 7 or 8
  • Number of stop bits: 1 or 2
  • Parity bits: None, Even, Odd
  • Flow control: None, RTS/CTS (only for RS232 interface), Xon/Xoff

MQTT Gateway

  • Gateway: Allows sending commands and receiving data from Modbus Master trough MQTT broker

Modbus Data to Server

  • Supported functions: HTTP(S), MQTT, Azure MQTT (planned)

Monitoring & Management

  • WEB UI: HTTP/HTTPS, status, configuration, FW update, CLI, troubleshoot, event log, system log, kernel log
  • FOTA: Firmware update from server, automatic notification
  • SSH: SSH (v1, v2)
  • SMS: SMS status, SMS configuration, send/read SMS via HTTP POST/GET
  • Call (planned): Reboot, Status, Mobile data on/off, Output on/off, answer/hang-up with a timer
  • TR-069 (planned): OpenACS, EasyCwmp, ACSLite, tGem, LibreACS, GenieACS, FreeACS, LibCWMP, Friendly tech, AVSystem
  • MQTT (planned): MQTT Broker, MQTT publisher
  • SNMP (planned): SNMP (v1, v2, v3), SNMP Trap
  • JSON-RPC: Management API over HTTP/HTTPS
  • Modbus: Modbus TCP status/control
  • RMS: Teltonika Remote Management Systems (RMS)


  • Connector: 2 pins in 16 pin industrial terminal block
  • Input voltage range: 9 – 30 VDC, reverse polarity protection, surge protection +/-1 kV 50 µs max
  • Power consumption: Idle: <1.2 W, Max: <5 W

System Characteristics

  • CPU: Qualcomm QCA9531, MIPS 24kc, 650 MHz
  • RAM: 64 MB, DDR2
  • Flash memory: 16MB SPI Flash (4 MB available for user)


  • WEB UI: Update FW from file, check FW on server, configuration profiles, configuration backup, restore point
  • FOTA: Update FW/configuration from server
  • RMS: Update FW/configuration for multiple devices
  • Keep settings: Update FW without losing current configuration

Location Tracking

  • GNSS: GPS, GLONASS, BeiDou, Galileo and QZSS
  • Coordinates (planned): GNSS coordinates via WebUI, SMS, TAVL, RMS
  • NMEA: NMEA 0183
  • NTRIP (planned): NTRIP protocol (Networked Transport of RTCM via Internet Protocol)
  • Server software (planned): Supported server software TAVL, RMS
  • Mobile Network Geolocating: Location without using GPS, get approximate location based on mobile tower on RMS
  • Geofencing (planned): Configurable multiple geofence zones


  • Configurable I/O: 3 x Configurable Inputs/Outputs. Digital input 0 - 6 V detected as logic low, 8 - 30 V detected as logic high. Open collector output, max output 30 V, 300 mA
  • Analog input: 1 x Analog input (0 - 30 V)
  • Events (planned): SMS, Email
  • Output control: HTTP POST/GET, Schedule
  • I/O juggler (planned): Allows to set certain I/O conditions to initiate event


  • RS232: Terminal block connector: TX, RX, RTS, CTS
  • RS485: Terminal block connector: D+, D-, R+, R- (2 or 4 wire interface)
  • Supported baud rates: From 300 to 3000000
  • Number of data bits: 7 or 8
  • Number of stop bits: 1 or 2
  • Parity: None, Even, Odd
  • Flow control: None, RTS/CTS (only for RS232 interface), Xon/Xof

IoT Platforms

  • Cloud of Things (planned): Allows monitoring of: Device data, Mobile data, Network info, Availability
  • ThingWorx (planned): Allows monitoring of: WAN Type, WAN IP Mobile Operator Name, Mobile Signal Strength, Mobile Network Type
  • Cumulocity (planned): Allows monitoring of: Device Model, Revision and Serial Number, Mobile Cell ID, ICCID, IMEI, Connection Type, Operator, Signal Strength, WAN Type and IP
  • Azure IoT Hub (planned): Can send device IP, Number of bytes send/received/ 3G 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, Temperature, PIN count to Azure IoT Hub server

Physical Interfaces (Ports, LEDs, Antennas, Button, SIM)

  • Ethernet: 1 x RJ45 port, 10/100 Mbps
  • I/O’s: 3 x Configurable I/O, 1 x Analog input in 16 pin terminal block
  • Status LEDs: 3 x connection status LEDs, 3 x connection strength LEDs, 1 x power LED, 1 x Eth port status LED
  • SIM: 2 x SIM slots (Mini SIM – 2FF), 1.8 V/3 V, double stacked SIM tray
  • Power: 2 pins in 16 pin terminal block
  • Antennas: 1 x SMA connector for LTE, 1 x SMA connector for GNSS
  • RS232: 4 pins in 16 pin terminal block (TX, RX, RTS, CTS)
  • RS485: 4 pins in 16 pin terminal block (D+, D-, R+, R-)
  • Reset: Reboot, restore to user default (planned), restore to factory defaults

Physical Specification

  • Casing material: Aluminium housing with DIN rail mounting option
  • Dimensions: 74 x 83 x 25 mm (L x W x H)
  • Weight: 165 g
  • Mounting options: DIN rail, wall mounting (additional kits needed), flat surface placement

Operating Environment

  • Operating temperature: -40 C to 75 C
  • Operating humidity: 10% to 90% non-condensing

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