The TRB256 is a rugged industrial NB‑IoT / LTE Cat M1 / NB2 gateway built for IoT deployments. It supports dual SIM cards with auto-failover, and a 450 MHz band for deeper penetration in challenging environments. It offers Ethernet, RS232, RS485, and configurable I/O interfaces. It's powered via 9–30 V DC, runs Teltonika’s RutOS software, and supports advanced routing, VPN, firewall, and IoT protocols for integration in utilities, metering, smart grid, and industrial systems.
Product Features
- NB‑IoT / LTE Cat M1 / NB2 cellular gateway
- Supports 450 MHz for better signal penetration
- Dual SIM with auto-failover
- Ethernet + RS232 + RS485 + I/O interfaces
- 9–30 V DC power input, reverse polarity protection
- Runs RutOS; supports VPN, firewall, MQTT, Modbus, DLMS, DNP3
Product Downloads
Specification | Detail |
---|---|
Model | TRB256 |
Cellular / Protocol | LTE Cat M1, NB‑IoT / NB2 / EGPRS |
Frequency Bands | Includes 450 MHz band (B31) plus standard bands |
SIM Slots | 2 × Mini SIM (2FF), auto-switching |
Ethernet | 1 × RJ45, 10/100 Mbps |
Serial Interfaces | RS232, RS485 (via 16-pin terminal block) |
I/O Interfaces | 3 configurable digital I/O, 1 analog input, 1 relay output |
Power Input | 9 – 30 V DC (16-pin terminal), reverse polarity protection |
Power Consumption | Idle < 2 W; Max < 3.5 W |
CPU & Memory | MediaTek 580 MHz, 128 MB storage, 16 MB RAM |
Software / OS | RutOS (OpenWRT-based) |
Dimensions | 83 × 25 × 74.2 mm |
Weight | 165 g |
Operating Temp | –40 °C to +75 °C |
Ingress Protection | IP30 (indoor use) |
Certifications | CE, UKCA, EAC, CB, RCM, RoHS |
Shipping Policy
We provide worldwide shipping using reliable tracked
shipping services.
Local Shipments within Cyprus
Shipments in Cyprus are performed usually with ACS Courrier
or AKIS Express. In some cases, we might deliver the products ourselves. A pick-up
option from our locations is also available.
International Shipments
International shipments are performed using Express Airway
Shipping Services. We are currently shipping orders with TNT Express and FedEX.
As soon as your shipment is dispatched you will receive the shipment confirmation
including the shipment tracking number which you can use to track your order
from the shipment provider website.
We dispatch orders within 1-3 workdays after the day of the
order placement.
General Return Policy
We have a 30-day return policy, which means you have 30 days
after receiving your item to request a return.
To be eligible for a return, your item must be in the same
condition that you received it, unworn or unused, with tags, and in its
original packaging. You’ll also need the receipt or proof of purchase.
To start a return, you can contact us at sales@cyric.eu. If
your return is accepted, we’ll send you a return shipping label, as well as
instructions on how and where to send your package. Items sent back to us
without first requesting a return will not be accepted.
For any further information, help and support regarding the
shipping and/or return process you can contact us at:
- Email: sales@cyric.eu
- Telephone: +357 22 282828