TK-TRB256
TK-TRB256
- Teltonika Gateway Industrial NB-IoT/M1
- Dual SIM for redundancy and failover
- GNSS Support for Asset Tracking
- VPN: IPsec, OpenVPN, WireGuard and ZeroTier
- Interfaces RS232, RS485 and Ethernet 10/100
- Hardware Watchdog and RMS Remote Management
The TRB256 is a highly versatile industrial gateway designed to provide NB-IoT, LTE Cat-M1, and 2G connectivity in M2M and mission-critical IoT environments. By integrating the RS232 and RS485 serial interfaces along with multiple digital and analog inputs and outputs, this device facilitates bidirectional communication between modern industrial machinery and legacy systems. Its compact and rugged design is ideal for smart utility management, telemetry, and automation, ensuring that critical assets remain reliably connected under any circumstances.
Technically, the device is powered by the OpenWrt-based RutOS system, offering advanced network management and industrial-grade security that includes DDoS attack prevention and web filtering. It features a robust memory architecture and an efficient processor for handling industrial protocols such as Modbus, DNP3, and DLMS. Its anodized aluminum chassis ensures uninterrupted operation in temperature ranges from -40°C to 75°C,, while the dual SIM slot and built-in GNSS support provide the resilience and visibility required for global deployments in critical infrastructure.
- Gateway Industrial NB-IoT/LTE Cat-M1/2G
- Dual SIM slot (stacked Mini SIM-2FF))
- Built-in Ethernet port 10/100 Mbps
- Interfaces RS232 y RS485 (Terminal Block)
- 3 Digital I/O and 1 Analog Input 0-30V
- Mediatek processor 580 MHz MIPS 24KEc
- RutOS Operating System based on OpenWrt
- Rugged aluminum chassis with IP30
- GNSS positioning: GPS, GLONASS, BeiDou
Specifications
| Brand | Teltonika |
| Device | Industrial LTE Gateway |
| CPU | Mediatek, 580 MHz, MIPS 24KEc |
| RAM | 128 MB |
| Flash | 16 MB |
| Mobile Network | NB-IoT, LTE Cat-M1, 2G |
| Bands 4G (M1/NB) | B1, B2, B3, B4, B5, B8, B12, B13, B18, B19, B20, B25, B26, B27, B28, B66 |
| Bands 2G | B2, B3, B5, B8 |
| Ethernet | 1 x RJ45 10/100 Mbps |
| SIM card slots | 2 x Mini SIM (2FF) |
| Serial Ports | RS232 (TX, RX, RTS, CTS) y RS485 (D+, D-, R+, R-) |
| Serial port functions | Console, Serial over IP, Modem, MODBUS gateway, NTRIP Client |
| Digital I/O | 3 x configurable digital I/O (max. 30V, 300mA) |
| Analog I/O | 1 x Analog Input (0-30V) |
| Positioning | GPS, GLONASS, BeiDou, Galileo, QZSS (Not simultaneous with mobile) |
| Antennas | 1 x SMA for LTE, 1 x SMA for GNSS |
| Operating System | RutOS (Based on OpenWrt) |
| Network Protocols | TCP, UDP, IPv4, IPv6, ICMP, NTP, DNS, DDNS, HTTP, HTTPS, SFTP, FTP, SMTP, SSL/TLS, ARP, VRRP, PPP, PPP, PPPoE, UPNP, SSH, SSHFS, DHCP server, DHCP Relay, Telnet, SMPP, SNMP, MQTT, Wake On Lan (WOL), Tag-based Vlan |
| Dynamic Routing | BGP, OSPF v2, RIP v1/v2, EIGRP, NHRP (route-based) |
| VPN Protocols | OpenVPN, IPsec, GRE, PPTP, L2TP, Stunnel, DMVPN, SSTP, WireGuard, ZeroTier, Tinc |
| Security | Port Forwarding, Traffic Rules and Custom Rules; DDoS Prevention (SYN flood, SSH, HTTP/HTTPS), Port Scan (SYN-FIN, SYN-RST, X-mas, NULL, FIN), Web Filter, Access Control |
| QoS | Priority queues by source/destination, service, protocol, or port, WMM, 802.11e |
| Hotspot | Captive portal, internal/external Radius, SMS, landing page, walled garden, scripts, URL parameters, user management, 9 customizable themes |
| Monitoring | WEB UI, CLI, SSH, SMS, TR-069, SNMP, JSON-RPC, MQTT, RMS, Kinesis, BACNET, OPC UA, MODBUS, DNP3, DLMS |
| Cloud Solutions | RMS, FOTA, Telenor, Azure IoT Hub, Cloud of Things, Cumulocity, ThingWorx |
| Watchdog | Built-in hardware watchdog |
| Power | Terminal Block 16 Industrial Pins 9-30V (Power supply not included) |
| Consumption | Idle: < 1.2 W, Máx: < 2 W |
| Protection | IP30 |
| Material | Aluminium |
| Temp. operation | -40 °C to +75 °C |
| Operating humidity | 10% has 90% (non-condensing) |
| Assembly Kits | Optional: Standard and compact DIN rails (not included) |
| Dimensions | 83 x 25 x 74.2 mm |
| Weight | 165 g |
| Colour | Black |
In the box
- 1x Gateway TRB256
- 1x Terminal block with 16 pins
- 1x Hex wrench
- 1x Quick Start Guide