Teltonika TRB255 Industrial Cat 1 LTE, all-in-one Gateway, Dual SIM

The Teltonika TRB255 3G/4G LTE Router is equipped with a single Ethernet port, Digital Inputs/Outputs and a micro-USB port. The compact design makes this gateway perfect for applications where a sole device must be granted reliable internet connectivity.

The TRB140 is engineered to be used in industrial applications and has a wide range of software features such as SMS control, Firewall, OpenVPN, IPsec, RMS and FOTA support.

• Connectivity - 4G/LTE (Cat M1), NB-IoT, 2G.
• Dual SIM - With auto failover, backup WAN and other switching scenarios.
• Serial Ports - RS232/RS485 serial communication interfaces.
• 9-30V - Wide range of supported power supply voltages.
• I/O - Multiple Inputs and Outputs for remote monitoring and control.
• GNSS - Global Navigation Satellite System for location services with geofencing functionality.

Add remote access and management with Teltonika Networks Remote Management System (RMS).

RMS is an all-in-one user-friendly IoT platform providing a smart way to stay on top of your whole connected solution completely remotely, securely, and reliably.

It is a powerful solution for remote access and management allowing users to save time and operational costs while being flexible and easy to use. With RMS you can manage compatible Teltonika Networks routers and gateways, reach remote devices, utilize the power of remote desktop access and configure secure VPN tunnels with just a few clicks.

Try it for free - https://rms.teltonika-networks.com/account/register

Hardware

Mobile module

LTE (Cat M1) / NB-IoT / EGPRS
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
ETHERNET

LAN

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

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), UPNP (planned), SSH, DHCP, Telnet, MQTT, 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
DHCP

Static and dynamic IP allocation, DHCP Relay
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
SECURITY

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
VPN

OpenVPN

Multiple clients and server can be running simultaneously, 12 encryption methods
OpenVPN Encryption

DES-CBC, RC2-CBC, DES-EDE-CBC, DES-EDE3-CBC, DESX-CBC, BF-CBC, RC2-40-CBC, CAST5-CBC, RC2-64-CBC, AES-128-CBC, AES-192-CBC, AES-256-CBC
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 COMMMUNICATION 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/Xof
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)
POWER

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)
FIRMWARE / CONFIGURATION

WEB UI

Update FW from file, check FW on server, configuration profiles, configuration backup
FOTA

Update FW/configuration from server
RMS

Update FW/configuration for multiple devices
Keep settings

Update FW without losing current configuration
FIRMWARE CUSTOMIZATION

Operating system

RutOS (OpenWrt based Linux OS)
Supported languages

Busybox shell, Lua, C, C++
Development tools

SDK package with build environment provided
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
INPUT/OUTPUT

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
SERIAL

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 Mobile, 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 75ºC
Operating humidity

10% to 90% non-condensing
Package Contents

1 x Teltonika TRB255
1 x LTE antenna (swivel, SMA male)
1 x GNSS antenna (adhesive, SMA male, 3 m cable)
1 x PSU
1 x Hex key
1 x Ethernet cable (1.5 m)
1 x 16 pin terminal block