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 to ensure your IoT hardware arrives safely and on time.
Local Shipments (Cyprus)
Shipments in Cyprus are performed usually with ACS Courier 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.
- 🛰️ Real-Time Tracking: As soon as your shipment is dispatched, you will receive a confirmation including a tracking number to monitor your order via the provider's website.
- ⏱️ Dispatch Time: We dispatch orders within 1-3 workdays after the day of the order placement.
General Return Policy
We maintain a 30-day return policy, which means you have 30 days after receiving your item to request a return.
Return Eligibility Criteria
To be eligible for a return, your item must meet the following conditions:
- The item must be in the same condition that you received it.
- It must be unworn or unused, with tags, and in its original packaging.
- You will need the receipt or proof of purchase.
Initiating a Return
To start a return, 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.
Shipping & Return Support
For any further information, help, or support regarding the process, please contact us:
📧 Email:sales@cyric.eu📞 Telephone: +357 22 282828