Teltonika TRB255

Industrial Gateway equipped with a number of Input/Output, Serial, and Ethernet ports.

The TRB255 offers a compact, yet powerful solution for M2M communications, efficiently bridging the gap between legacy equipment and modern networks. With its dual SIM capability, this IoT router ensures uninterrupted connectivity by switching to an alternate network when the primary network fails, thereby maintaining a reliable data connection. - Watch Video

  • The Teltonika TRB255 excels in its integration of LTE Cat M1 technology, enabling low power consumption and enhanced coverage in remote areas. Its compatibility with existing 2G and 3G networks guarantees a wide-ranging connectivity solution. This device is encased in a durable aluminum housing, making it suitable for challenging industrial environments. It also supports various interfaces including Digital Inputs/Outputs (DI/DO), RS232, RS485, and GNSS, providing flexible integration options with a multitude of industrial equipment.

Key features of

Teltonika TRB255

1Mbps ↓ / 1Mbps

No WAN Port

1x LAN Port

2 x SIM Slots

Cellular Modem
(4G LTE Cat M1)

No WiFi

Benefits of

Teltonika TRB255

The TRB255’s dual SIM functionality ensures continuous network service, seamlessly switching between carriers to prevent downtime. This feature is invaluable for critical applications in sectors like energy, utilities, and transportation, where even minimal disruptions can lead to significant issues.


Equipped with Teltonika’s Remote Management System (RMS), the TRB255 allows for easy monitoring and management of the gateway remotely. This not only simplifies maintenance and firmware updates but also enhances security by enabling remote troubleshooting and network management without physical access to the device.


The gateway’s multiple interfaces, including digital, serial, and GNSS, offer the flexibility needed to connect a wide range of devices and sensors. This versatility makes the TRB255 an ideal choice for diverse industrial applications, from asset tracking to smart metering and data acquisition systems.

Use-cases

Teltonika TRB255

industrial IoT gateway for early detection system for flood risk reduction.

Technical Specifications

Technical Specifications

WAN Interface

LAN Interface

Wi-Fi

Networking Interface

Power Consumption

Power Input voltage range

Dimensions

Weight

Antennas

Warranty

Package Content

Datasheet

No WAN port

1x LAN port

No Wifi

4 pins in 16-pin terminal block (TX, RX, RTS, CTS)

Firewall, Dynamic DNS and port forwarding support

Teltonika Remote Management System (RMS)

9 – 30 VDC, reverse polarity protection, surge protection +/-1 kV 50 µs max

Idle: < 1.2 W, Max: < 5 W

1 x SMA connector for LTE, 1 x SMA connector for GNSS

83 x 25 x 74.2 mm

2-Years Limited Warranty

Gateway TRB255

9 W PSU

1x Mobile antenna (swivel, SMA male)

1x GNSS antenna (adhesive, SMA male, 3 m cable)

16 pin terminal block

1x hex key

Ethernet cable (1.5 m)

QSG (Quick start guide)

Packaging box

Security Interface

Connectivity

RS232

165 g

Management Interface

RS485

SIM

OpenVPN, IPSec, GRE, L2TPv3, L2TP

4 pins in 16-pin terminal block (D+, D-, R+, R-)

LTE (Cat M1) / NB-IoT / EGPRS

2 SIM slots

Frequently Asked Questions

If any of your questions remain unanswered, reach out to our team to answer them for you.

  • Yes, it supports a wide range of network protocols including TCP, UDP, IPv4, IPv6, and MQTT.

  • The gateway supports multiple VPN protocols, including OpenVPN, IPsec, and WireGuard.

  • Yes, it can send and receive SMS messages, which can be managed via HTTP POST/GET or configured for various automated responses.

  • It is designed to operate in temperatures from -40 °C to 75 °C and comes with an IP30 ingress protection rating.

  • Support for the TRB255 is scheduled to end on June 13, 2030.